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Finding the Fourth Proportional to 63,696.11, 87,900.66 and 35,401.77

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Solution

The fourth proportional to 63,696.11, 87,900.66 and 35,401.77 is: 48,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,696.11 : 87,900.66 = 35,401.77 : x
  2. Step 2: Convert to fraction form
    63,696.11/87,900.66 = 35,401.77/x
  3. Step 3: Cross multiply
    63,696.11x = 87,900.66 × 35,401.77
  4. Step 4: Simplify right side
    63,696.11x = 3,111,838,948.17
  5. Step 5: Solve for x
    x = 3,111,838,948.17/63,696.11
  6. Step 6: Final answer
    x = 48,854.46

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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.