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Finding the Fourth Proportional to 22,699,269.80, 34,048,904.70 and 21,372,165.80

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Solution

The fourth proportional to 22,699,269.80, 34,048,904.70 and 21,372,165.80 is: 32,058,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699,269.80 : 34,048,904.70 = 21,372,165.80 : x
  2. Step 2: Convert to fraction form
    22,699,269.80/34,048,904.70 = 21,372,165.80/x
  3. Step 3: Cross multiply
    22,699,269.80x = 34,048,904.70 × 21,372,165.80
  4. Step 4: Simplify right side
    22,699,269.80x = 727,698,836,556,799.38
  5. Step 5: Solve for x
    x = 727,698,836,556,799.38/22,699,269.80
  6. Step 6: Final answer
    x = 32,058,248.70

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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.