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Finding the Fourth Proportional to 51,363.60, 77,045.40 and 26,368.80

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Solution

The fourth proportional to 51,363.60, 77,045.40 and 26,368.80 is: 39,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,363.60 : 77,045.40 = 26,368.80 : x
  2. Step 2: Convert to fraction form
    51,363.60/77,045.40 = 26,368.80/x
  3. Step 3: Cross multiply
    51,363.60x = 77,045.40 × 26,368.80
  4. Step 4: Simplify right side
    51,363.60x = 2,031,594,743.52
  5. Step 5: Solve for x
    x = 2,031,594,743.52/51,363.60
  6. Step 6: Final answer
    x = 39,553.20

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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.