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Finding the Fourth Proportional to 9,793,134.40, 14,689,701.60 and 7,404,347.20

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Solution

The fourth proportional to 9,793,134.40, 14,689,701.60 and 7,404,347.20 is: 11,106,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793,134.40 : 14,689,701.60 = 7,404,347.20 : x
  2. Step 2: Convert to fraction form
    9,793,134.40/14,689,701.60 = 7,404,347.20/x
  3. Step 3: Cross multiply
    9,793,134.40x = 14,689,701.60 × 7,404,347.20
  4. Step 4: Simplify right side
    9,793,134.40x = 108,767,650,910,795.52
  5. Step 5: Solve for x
    x = 108,767,650,910,795.52/9,793,134.40
  6. Step 6: Final answer
    x = 11,106,520.80

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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.