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Finding the Fourth Proportional to 56,107.60, 84,154.92 and 16,660.60

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Solution

The fourth proportional to 56,107.60, 84,154.92 and 16,660.60 is: 24,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,107.60 : 84,154.92 = 16,660.60 : x
  2. Step 2: Convert to fraction form
    56,107.60/84,154.92 = 16,660.60/x
  3. Step 3: Cross multiply
    56,107.60x = 84,154.92 × 16,660.60
  4. Step 4: Simplify right side
    56,107.60x = 1,402,071,460.15
  5. Step 5: Solve for x
    x = 1,402,071,460.15/56,107.60
  6. Step 6: Final answer
    x = 24,988.98

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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.