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Finding the Fourth Proportional to 9,362,312.70, 14,019,849.45 and 7,472,744.70

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Solution

The fourth proportional to 9,362,312.70, 14,019,849.45 and 7,472,744.70 is: 11,190,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362,312.70 : 14,019,849.45 = 7,472,744.70 : x
  2. Step 2: Convert to fraction form
    9,362,312.70/14,019,849.45 = 7,472,744.70/x
  3. Step 3: Cross multiply
    9,362,312.70x = 14,019,849.45 × 7,472,744.70
  4. Step 4: Simplify right side
    9,362,312.70x = 104,766,755,672,285.41
  5. Step 5: Solve for x
    x = 104,766,755,672,285.41/9,362,312.70
  6. Step 6: Final answer
    x = 11,190,264.52

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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.