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Finding the Fourth Proportional to 28,092.96, 42,125.28 and 9,366.48

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Solution

The fourth proportional to 28,092.96, 42,125.28 and 9,366.48 is: 14,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.96 : 42,125.28 = 9,366.48 : x
  2. Step 2: Convert to fraction form
    28,092.96/42,125.28 = 9,366.48/x
  3. Step 3: Cross multiply
    28,092.96x = 42,125.28 × 9,366.48
  4. Step 4: Simplify right side
    28,092.96x = 394,565,592.61
  5. Step 5: Solve for x
    x = 394,565,592.61/28,092.96
  6. Step 6: Final answer
    x = 14,045.00

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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.