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Finding the Fourth Proportional to 16,506,502.60, 24,759,753.90 and 12,254,974.60

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Solution

The fourth proportional to 16,506,502.60, 24,759,753.90 and 12,254,974.60 is: 18,382,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,506,502.60 : 24,759,753.90 = 12,254,974.60 : x
  2. Step 2: Convert to fraction form
    16,506,502.60/24,759,753.90 = 12,254,974.60/x
  3. Step 3: Cross multiply
    16,506,502.60x = 24,759,753.90 × 12,254,974.60
  4. Step 4: Simplify right side
    16,506,502.60x = 303,430,155,146,750.94
  5. Step 5: Solve for x
    x = 303,430,155,146,750.94/16,506,502.60
  6. Step 6: Final answer
    x = 18,382,461.90

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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.