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Finding the Fourth Proportional to 37,145.80, 55,718.70 and 14,962.60

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Solution

The fourth proportional to 37,145.80, 55,718.70 and 14,962.60 is: 22,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,145.80 : 55,718.70 = 14,962.60 : x
  2. Step 2: Convert to fraction form
    37,145.80/55,718.70 = 14,962.60/x
  3. Step 3: Cross multiply
    37,145.80x = 55,718.70 × 14,962.60
  4. Step 4: Simplify right side
    37,145.80x = 833,696,620.62
  5. Step 5: Solve for x
    x = 833,696,620.62/37,145.80
  6. Step 6: Final answer
    x = 22,443.90

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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.