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Finding the Fourth Proportional to 57,953.60, 86,929.52 and 16,400.56

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Solution

The fourth proportional to 57,953.60, 86,929.52 and 16,400.56 is: 24,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,953.60 : 86,929.52 = 16,400.56 : x
  2. Step 2: Convert to fraction form
    57,953.60/86,929.52 = 16,400.56/x
  3. Step 3: Cross multiply
    57,953.60x = 86,929.52 × 16,400.56
  4. Step 4: Simplify right side
    57,953.60x = 1,425,692,808.53
  5. Step 5: Solve for x
    x = 1,425,692,808.53/57,953.60
  6. Step 6: Final answer
    x = 24,600.59

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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.