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Finding the Fourth Proportional to 8,835,384.40, 13,234,414.20 and 8,835,384.40

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Solution

The fourth proportional to 8,835,384.40, 13,234,414.20 and 8,835,384.40 is: 13,234,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835,384.40 : 13,234,414.20 = 8,835,384.40 : x
  2. Step 2: Convert to fraction form
    8,835,384.40/13,234,414.20 = 8,835,384.40/x
  3. Step 3: Cross multiply
    8,835,384.40x = 13,234,414.20 × 8,835,384.40
  4. Step 4: Simplify right side
    8,835,384.40x = 116,931,136,765,818.48
  5. Step 5: Solve for x
    x = 116,931,136,765,818.48/8,835,384.40
  6. Step 6: Final answer
    x = 13,234,414.20

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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.