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Finding the Fourth Proportional to 86,603.96, 129,891.30 and 24,260.12

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Solution

The fourth proportional to 86,603.96, 129,891.30 and 24,260.12 is: 36,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,603.96 : 129,891.30 = 24,260.12 : x
  2. Step 2: Convert to fraction form
    86,603.96/129,891.30 = 24,260.12/x
  3. Step 3: Cross multiply
    86,603.96x = 129,891.30 × 24,260.12
  4. Step 4: Simplify right side
    86,603.96x = 3,151,178,524.96
  5. Step 5: Solve for x
    x = 3,151,178,524.96/86,603.96
  6. Step 6: Final answer
    x = 36,386.08

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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.