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Finding the Fourth Proportional to 51,646.60, 77,412.30 and 29,470.60

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Solution

The fourth proportional to 51,646.60, 77,412.30 and 29,470.60 is: 44,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,646.60 : 77,412.30 = 29,470.60 : x
  2. Step 2: Convert to fraction form
    51,646.60/77,412.30 = 29,470.60/x
  3. Step 3: Cross multiply
    51,646.60x = 77,412.30 × 29,470.60
  4. Step 4: Simplify right side
    51,646.60x = 2,281,386,928.38
  5. Step 5: Solve for x
    x = 2,281,386,928.38/51,646.60
  6. Step 6: Final answer
    x = 44,173.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.