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Finding the Fourth Proportional to 62,713.32, 86,529.02 and 35,489.84

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Solution

The fourth proportional to 62,713.32, 86,529.02 and 35,489.84 is: 48,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,713.32 : 86,529.02 = 35,489.84 : x
  2. Step 2: Convert to fraction form
    62,713.32/86,529.02 = 35,489.84/x
  3. Step 3: Cross multiply
    62,713.32x = 86,529.02 × 35,489.84
  4. Step 4: Simplify right side
    62,713.32x = 3,070,901,075.16
  5. Step 5: Solve for x
    x = 3,070,901,075.16/62,713.32
  6. Step 6: Final answer
    x = 48,967.29

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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.