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Finding the Fourth Proportional to 44,417.76, 66,568.80 and 39,710.40

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Solution

The fourth proportional to 44,417.76, 66,568.80 and 39,710.40 is: 59,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,417.76 : 66,568.80 = 39,710.40 : x
  2. Step 2: Convert to fraction form
    44,417.76/66,568.80 = 39,710.40/x
  3. Step 3: Cross multiply
    44,417.76x = 66,568.80 × 39,710.40
  4. Step 4: Simplify right side
    44,417.76x = 2,643,473,675.52
  5. Step 5: Solve for x
    x = 2,643,473,675.52/44,417.76
  6. Step 6: Final answer
    x = 59,513.89

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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.