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Finding the Fourth Proportional to 63,695.76, 87,901.23 and 35,401.51

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Solution

The fourth proportional to 63,695.76, 87,901.23 and 35,401.51 is: 48,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,695.76 : 87,901.23 = 35,401.51 : x
  2. Step 2: Convert to fraction form
    63,695.76/87,901.23 = 35,401.51/x
  3. Step 3: Cross multiply
    63,695.76x = 87,901.23 × 35,401.51
  4. Step 4: Simplify right side
    63,695.76x = 3,111,836,272.86
  5. Step 5: Solve for x
    x = 3,111,836,272.86/63,695.76
  6. Step 6: Final answer
    x = 48,854.68

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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.