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Finding the Fourth Proportional to 22,471,985.70, 33,707,978.55 and 22,248,036.90

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Solution

The fourth proportional to 22,471,985.70, 33,707,978.55 and 22,248,036.90 is: 33,372,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471,985.70 : 33,707,978.55 = 22,248,036.90 : x
  2. Step 2: Convert to fraction form
    22,471,985.70/33,707,978.55 = 22,248,036.90/x
  3. Step 3: Cross multiply
    22,471,985.70x = 33,707,978.55 × 22,248,036.90
  4. Step 4: Simplify right side
    22,471,985.70x = 749,936,350,604,808.38
  5. Step 5: Solve for x
    x = 749,936,350,604,808.38/22,471,985.70
  6. Step 6: Final answer
    x = 33,372,055.35

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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.