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Finding the Fourth Proportional to 14,393,948.80, 21,587,812.80 and 6,306,908.80

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Solution

The fourth proportional to 14,393,948.80, 21,587,812.80 and 6,306,908.80 is: 9,459,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393,948.80 : 21,587,812.80 = 6,306,908.80 : x
  2. Step 2: Convert to fraction form
    14,393,948.80/21,587,812.80 = 6,306,908.80/x
  3. Step 3: Cross multiply
    14,393,948.80x = 21,587,812.80 × 6,306,908.80
  4. Step 4: Simplify right side
    14,393,948.80x = 136,152,366,521,072.64
  5. Step 5: Solve for x
    x = 136,152,366,521,072.64/14,393,948.80
  6. Step 6: Final answer
    x = 9,459,000.33

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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.