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Finding the Fourth Proportional to 65,801.36, 90,806.42 and 37,508.87

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Solution

The fourth proportional to 65,801.36, 90,806.42 and 37,508.87 is: 51,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801.36 : 90,806.42 = 37,508.87 : x
  2. Step 2: Convert to fraction form
    65,801.36/90,806.42 = 37,508.87/x
  3. Step 3: Cross multiply
    65,801.36x = 90,806.42 × 37,508.87
  4. Step 4: Simplify right side
    65,801.36x = 3,406,046,202.95
  5. Step 5: Solve for x
    x = 3,406,046,202.95/65,801.36
  6. Step 6: Final answer
    x = 51,762.55

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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.