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Finding the Fourth Proportional to 25,695.06, 38,531.72 and 9,051.06

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Solution

The fourth proportional to 25,695.06, 38,531.72 and 9,051.06 is: 13,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.06 : 38,531.72 = 9,051.06 : x
  2. Step 2: Convert to fraction form
    25,695.06/38,531.72 = 9,051.06/x
  3. Step 3: Cross multiply
    25,695.06x = 38,531.72 × 9,051.06
  4. Step 4: Simplify right side
    25,695.06x = 348,752,909.62
  5. Step 5: Solve for x
    x = 348,752,909.62/25,695.06
  6. Step 6: Final answer
    x = 13,572.76

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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.