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Finding the Fourth Proportional to 63,478.22, 87,597.87 and 38,323.34

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Solution

The fourth proportional to 63,478.22, 87,597.87 and 38,323.34 is: 52,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,478.22 : 87,597.87 = 38,323.34 : x
  2. Step 2: Convert to fraction form
    63,478.22/87,597.87 = 38,323.34/x
  3. Step 3: Cross multiply
    63,478.22x = 87,597.87 × 38,323.34
  4. Step 4: Simplify right side
    63,478.22x = 3,357,042,955.29
  5. Step 5: Solve for x
    x = 3,357,042,955.29/63,478.22
  6. Step 6: Final answer
    x = 52,884.96

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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.