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Finding the Fourth Proportional to 39,348.60, 59,022.90 and 36,737.40

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Solution

The fourth proportional to 39,348.60, 59,022.90 and 36,737.40 is: 55,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348.60 : 59,022.90 = 36,737.40 : x
  2. Step 2: Convert to fraction form
    39,348.60/59,022.90 = 36,737.40/x
  3. Step 3: Cross multiply
    39,348.60x = 59,022.90 × 36,737.40
  4. Step 4: Simplify right side
    39,348.60x = 2,168,347,886.46
  5. Step 5: Solve for x
    x = 2,168,347,886.46/39,348.60
  6. Step 6: Final answer
    x = 55,106.10

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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.