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Finding the Fourth Proportional to 62,703.13, 86,526.87 and 34,406.59

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Solution

The fourth proportional to 62,703.13, 86,526.87 and 34,406.59 is: 47,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,703.13 : 86,526.87 = 34,406.59 : x
  2. Step 2: Convert to fraction form
    62,703.13/86,526.87 = 34,406.59/x
  3. Step 3: Cross multiply
    62,703.13x = 86,526.87 × 34,406.59
  4. Step 4: Simplify right side
    62,703.13x = 2,977,094,540.07
  5. Step 5: Solve for x
    x = 2,977,094,540.07/62,703.13
  6. Step 6: Final answer
    x = 47,479.20

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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.