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Finding the Fourth Proportional to 63,695.46, 87,898.86 and 35,400.54

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Solution

The fourth proportional to 63,695.46, 87,898.86 and 35,400.54 is: 48,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,695.46 : 87,898.86 = 35,400.54 : x
  2. Step 2: Convert to fraction form
    63,695.46/87,898.86 = 35,400.54/x
  3. Step 3: Cross multiply
    63,695.46x = 87,898.86 × 35,400.54
  4. Step 4: Simplify right side
    63,695.46x = 3,111,667,109.38
  5. Step 5: Solve for x
    x = 3,111,667,109.38/63,695.46
  6. Step 6: Final answer
    x = 48,852.26

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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.