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Finding the Fourth Proportional to 9,976,522.60, 14,970,688.80 and 6,574,644.10

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Solution

The fourth proportional to 9,976,522.60, 14,970,688.80 and 6,574,644.10 is: 9,865,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976,522.60 : 14,970,688.80 = 6,574,644.10 : x
  2. Step 2: Convert to fraction form
    9,976,522.60/14,970,688.80 = 6,574,644.10/x
  3. Step 3: Cross multiply
    9,976,522.60x = 14,970,688.80 × 6,574,644.10
  4. Step 4: Simplify right side
    9,976,522.60x = 98,426,950,791,856.08
  5. Step 5: Solve for x
    x = 98,426,950,791,856.08/9,976,522.60
  6. Step 6: Final answer
    x = 9,865,857.55

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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.