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Finding the Fourth Proportional to 9,361,472.20, 14,018,588.70 and 7,471,904.20

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Solution

The fourth proportional to 9,361,472.20, 14,018,588.70 and 7,471,904.20 is: 11,189,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,472.20 : 14,018,588.70 = 7,471,904.20 : x
  2. Step 2: Convert to fraction form
    9,361,472.20/14,018,588.70 = 7,471,904.20/x
  3. Step 3: Cross multiply
    9,361,472.20x = 14,018,588.70 × 7,471,904.20
  4. Step 4: Simplify right side
    9,361,472.20x = 104,745,551,785,602.53
  5. Step 5: Solve for x
    x = 104,745,551,785,602.53/9,361,472.20
  6. Step 6: Final answer
    x = 11,189,004.20

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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.