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Finding the Fourth Proportional to 29,579,385.60, 44,369,078.40 and 10,409,990.40

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Solution

The fourth proportional to 29,579,385.60, 44,369,078.40 and 10,409,990.40 is: 15,614,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,579,385.60 : 44,369,078.40 = 10,409,990.40 : x
  2. Step 2: Convert to fraction form
    29,579,385.60/44,369,078.40 = 10,409,990.40/x
  3. Step 3: Cross multiply
    29,579,385.60x = 44,369,078.40 × 10,409,990.40
  4. Step 4: Simplify right side
    29,579,385.60x = 461,881,680,200,847.38
  5. Step 5: Solve for x
    x = 461,881,680,200,847.38/29,579,385.60
  6. Step 6: Final answer
    x = 15,614,985.60

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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.