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Finding the Fourth Proportional to 8,598,758.08, 12,899,605.92 and 3,547,307.20

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Solution

The fourth proportional to 8,598,758.08, 12,899,605.92 and 3,547,307.20 is: 5,321,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598,758.08 : 12,899,605.92 = 3,547,307.20 : x
  2. Step 2: Convert to fraction form
    8,598,758.08/12,899,605.92 = 3,547,307.20/x
  3. Step 3: Cross multiply
    8,598,758.08x = 12,899,605.92 × 3,547,307.20
  4. Step 4: Simplify right side
    8,598,758.08x = 45,758,864,957,178.62
  5. Step 5: Solve for x
    x = 45,758,864,957,178.62/8,598,758.08
  6. Step 6: Final answer
    x = 5,321,566.73

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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.