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Finding the Fourth Proportional to 8,598,221.92, 12,895,316.88 and 3,803,298.40

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Solution

The fourth proportional to 8,598,221.92, 12,895,316.88 and 3,803,298.40 is: 5,704,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598,221.92 : 12,895,316.88 = 3,803,298.40 : x
  2. Step 2: Convert to fraction form
    8,598,221.92/12,895,316.88 = 3,803,298.40/x
  3. Step 3: Cross multiply
    8,598,221.92x = 12,895,316.88 × 3,803,298.40
  4. Step 4: Simplify right side
    8,598,221.92x = 49,044,738,057,196.99
  5. Step 5: Solve for x
    x = 49,044,738,057,196.99/8,598,221.92
  6. Step 6: Final answer
    x = 5,704,055.85

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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.