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Finding the Fourth Proportional to 63,390.30, 87,484.59 and 37,896.75

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Solution

The fourth proportional to 63,390.30, 87,484.59 and 37,896.75 is: 52,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,390.30 : 87,484.59 = 37,896.75 : x
  2. Step 2: Convert to fraction form
    63,390.30/87,484.59 = 37,896.75/x
  3. Step 3: Cross multiply
    63,390.30x = 87,484.59 × 37,896.75
  4. Step 4: Simplify right side
    63,390.30x = 3,315,381,636.08
  5. Step 5: Solve for x
    x = 3,315,381,636.08/63,390.30
  6. Step 6: Final answer
    x = 52,301.09

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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.