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Finding the Fourth Proportional to 39,411.60, 59,117.40 and 27,601.80

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Solution

The fourth proportional to 39,411.60, 59,117.40 and 27,601.80 is: 41,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411.60 : 59,117.40 = 27,601.80 : x
  2. Step 2: Convert to fraction form
    39,411.60/59,117.40 = 27,601.80/x
  3. Step 3: Cross multiply
    39,411.60x = 59,117.40 × 27,601.80
  4. Step 4: Simplify right side
    39,411.60x = 1,631,746,651.32
  5. Step 5: Solve for x
    x = 1,631,746,651.32/39,411.60
  6. Step 6: Final answer
    x = 41,402.70

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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.