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Finding the Fourth Proportional to 31,392,145.60, 44,049,780.80 and 31,392,145.60

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Solution

The fourth proportional to 31,392,145.60, 44,049,780.80 and 31,392,145.60 is: 44,049,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392,145.60 : 44,049,780.80 = 31,392,145.60 : x
  2. Step 2: Convert to fraction form
    31,392,145.60/44,049,780.80 = 31,392,145.60/x
  3. Step 3: Cross multiply
    31,392,145.60x = 44,049,780.80 × 31,392,145.60
  4. Step 4: Simplify right side
    31,392,145.60x = 1,382,817,132,521,684.50
  5. Step 5: Solve for x
    x = 1,382,817,132,521,684.50/31,392,145.60
  6. Step 6: Final answer
    x = 44,049,780.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.