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Finding the Fourth Proportional to 9,262,354.05, 12,986,191.35 and 9,262,354.05

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Solution

The fourth proportional to 9,262,354.05, 12,986,191.35 and 9,262,354.05 is: 12,986,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,262,354.05 : 12,986,191.35 = 9,262,354.05 : x
  2. Step 2: Convert to fraction form
    9,262,354.05/12,986,191.35 = 9,262,354.05/x
  3. Step 3: Cross multiply
    9,262,354.05x = 12,986,191.35 × 9,262,354.05
  4. Step 4: Simplify right side
    9,262,354.05x = 120,282,702,044,747.47
  5. Step 5: Solve for x
    x = 120,282,702,044,747.47/9,262,354.05
  6. Step 6: Final answer
    x = 12,986,191.35

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.