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Finding the Fourth Proportional to 3,864,897.90, 5,797,346.85 and 3,864,897.90

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Solution

The fourth proportional to 3,864,897.90, 5,797,346.85 and 3,864,897.90 is: 5,797,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,897.90 : 5,797,346.85 = 3,864,897.90 : x
  2. Step 2: Convert to fraction form
    3,864,897.90/5,797,346.85 = 3,864,897.90/x
  3. Step 3: Cross multiply
    3,864,897.90x = 5,797,346.85 × 3,864,897.90
  4. Step 4: Simplify right side
    3,864,897.90x = 22,406,153,666,136.61
  5. Step 5: Solve for x
    x = 22,406,153,666,136.61/3,864,897.90
  6. Step 6: Final answer
    x = 5,797,346.85

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1.5x scale

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.