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Finding the Fourth Proportional to 39,494.40, 59,097.60 and 29,126.40

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Solution

The fourth proportional to 39,494.40, 59,097.60 and 29,126.40 is: 43,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,494.40 : 59,097.60 = 29,126.40 : x
  2. Step 2: Convert to fraction form
    39,494.40/59,097.60 = 29,126.40/x
  3. Step 3: Cross multiply
    39,494.40x = 59,097.60 × 29,126.40
  4. Step 4: Simplify right side
    39,494.40x = 1,721,300,336.64
  5. Step 5: Solve for x
    x = 1,721,300,336.64/39,494.40
  6. Step 6: Final answer
    x = 43,583.40

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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.