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Finding the Fourth Proportional to 86,632.40, 129,948.51 and 32,607.17

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Solution

The fourth proportional to 86,632.40, 129,948.51 and 32,607.17 is: 48,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,632.40 : 129,948.51 = 32,607.17 : x
  2. Step 2: Convert to fraction form
    86,632.40/129,948.51 = 32,607.17/x
  3. Step 3: Cross multiply
    86,632.40x = 129,948.51 × 32,607.17
  4. Step 4: Simplify right side
    86,632.40x = 4,237,253,156.82
  5. Step 5: Solve for x
    x = 4,237,253,156.82/86,632.40
  6. Step 6: Final answer
    x = 48,910.72

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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.