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Finding the Fourth Proportional to 63,221.88, 87,248.68 and 36,364.36

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Solution

The fourth proportional to 63,221.88, 87,248.68 and 36,364.36 is: 50,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,221.88 : 87,248.68 = 36,364.36 : x
  2. Step 2: Convert to fraction form
    63,221.88/87,248.68 = 36,364.36/x
  3. Step 3: Cross multiply
    63,221.88x = 87,248.68 × 36,364.36
  4. Step 4: Simplify right side
    63,221.88x = 3,172,742,409.04
  5. Step 5: Solve for x
    x = 3,172,742,409.04/63,221.88
  6. Step 6: Final answer
    x = 50,184.25

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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.