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Finding the Fourth Proportional to 25,658.96, 35,407.50 and 14,898.92

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Solution

The fourth proportional to 25,658.96, 35,407.50 and 14,898.92 is: 20,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658.96 : 35,407.50 = 14,898.92 : x
  2. Step 2: Convert to fraction form
    25,658.96/35,407.50 = 14,898.92/x
  3. Step 3: Cross multiply
    25,658.96x = 35,407.50 × 14,898.92
  4. Step 4: Simplify right side
    25,658.96x = 527,533,509.90
  5. Step 5: Solve for x
    x = 527,533,509.90/25,658.96
  6. Step 6: Final answer
    x = 20,559.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.