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Finding the Fourth Proportional to 54,299.20, 81,448.80 and 37,710.40

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Solution

The fourth proportional to 54,299.20, 81,448.80 and 37,710.40 is: 56,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,299.20 : 81,448.80 = 37,710.40 : x
  2. Step 2: Convert to fraction form
    54,299.20/81,448.80 = 37,710.40/x
  3. Step 3: Cross multiply
    54,299.20x = 81,448.80 × 37,710.40
  4. Step 4: Simplify right side
    54,299.20x = 3,071,466,827.52
  5. Step 5: Solve for x
    x = 3,071,466,827.52/54,299.20
  6. Step 6: Final answer
    x = 56,565.60

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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.