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Finding the Fourth Proportional to 64,369.82, 88,737.30 and 45,191.21

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Solution

The fourth proportional to 64,369.82, 88,737.30 and 45,191.21 is: 62,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369.82 : 88,737.30 = 45,191.21 : x
  2. Step 2: Convert to fraction form
    64,369.82/88,737.30 = 45,191.21/x
  3. Step 3: Cross multiply
    64,369.82x = 88,737.30 × 45,191.21
  4. Step 4: Simplify right side
    64,369.82x = 4,010,145,959.13
  5. Step 5: Solve for x
    x = 4,010,145,959.13/64,369.82
  6. Step 6: Final answer
    x = 62,298.54

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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.