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Finding the Fourth Proportional to 8,334,490.80, 12,483,073.80 and 6,841,498.80

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Solution

The fourth proportional to 8,334,490.80, 12,483,073.80 and 6,841,498.80 is: 10,246,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334,490.80 : 12,483,073.80 = 6,841,498.80 : x
  2. Step 2: Convert to fraction form
    8,334,490.80/12,483,073.80 = 6,841,498.80/x
  3. Step 3: Cross multiply
    8,334,490.80x = 12,483,073.80 × 6,841,498.80
  4. Step 4: Simplify right side
    8,334,490.80x = 85,402,934,423,011.44
  5. Step 5: Solve for x
    x = 85,402,934,423,011.44/8,334,490.80
  6. Step 6: Final answer
    x = 10,246,928.87

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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.