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Finding the Fourth Proportional to 22,985,752.40, 34,478,628.60 and 21,044,862.80

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Solution

The fourth proportional to 22,985,752.40, 34,478,628.60 and 21,044,862.80 is: 31,567,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985,752.40 : 34,478,628.60 = 21,044,862.80 : x
  2. Step 2: Convert to fraction form
    22,985,752.40/34,478,628.60 = 21,044,862.80/x
  3. Step 3: Cross multiply
    22,985,752.40x = 34,478,628.60 × 21,044,862.80
  4. Step 4: Simplify right side
    22,985,752.40x = 725,598,008,419,156.12
  5. Step 5: Solve for x
    x = 725,598,008,419,156.12/22,985,752.40
  6. Step 6: Final answer
    x = 31,567,294.20

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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.