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Finding the Fourth Proportional to 62,897.50, 86,798.82 and 34,603.66

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Solution

The fourth proportional to 62,897.50, 86,798.82 and 34,603.66 is: 47,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,897.50 : 86,798.82 = 34,603.66 : x
  2. Step 2: Convert to fraction form
    62,897.50/86,798.82 = 34,603.66/x
  3. Step 3: Cross multiply
    62,897.50x = 86,798.82 × 34,603.66
  4. Step 4: Simplify right side
    62,897.50x = 3,003,556,855.68
  5. Step 5: Solve for x
    x = 3,003,556,855.68/62,897.50
  6. Step 6: Final answer
    x = 47,753.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.