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Finding the Fourth Proportional to 9,662,472.66, 14,512,889.70 and 5,779,410.42

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Solution

The fourth proportional to 9,662,472.66, 14,512,889.70 and 5,779,410.42 is: 8,680,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662,472.66 : 14,512,889.70 = 5,779,410.42 : x
  2. Step 2: Convert to fraction form
    9,662,472.66/14,512,889.70 = 5,779,410.42/x
  3. Step 3: Cross multiply
    9,662,472.66x = 14,512,889.70 × 5,779,410.42
  4. Step 4: Simplify right side
    9,662,472.66x = 83,875,945,956,490.67
  5. Step 5: Solve for x
    x = 83,875,945,956,490.67/9,662,472.66
  6. Step 6: Final answer
    x = 8,680,588.18

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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.