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Finding the Fourth Proportional to 44,490.80, 66,736.20 and 37,929.80

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Solution

The fourth proportional to 44,490.80, 66,736.20 and 37,929.80 is: 56,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490.80 : 66,736.20 = 37,929.80 : x
  2. Step 2: Convert to fraction form
    44,490.80/66,736.20 = 37,929.80/x
  3. Step 3: Cross multiply
    44,490.80x = 66,736.20 × 37,929.80
  4. Step 4: Simplify right side
    44,490.80x = 2,531,290,718.76
  5. Step 5: Solve for x
    x = 2,531,290,718.76/44,490.80
  6. Step 6: Final answer
    x = 56,894.70

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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.