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Finding the Fourth Proportional to 64,565.94, 89,103.29 and 35,886.18

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Solution

The fourth proportional to 64,565.94, 89,103.29 and 35,886.18 is: 49,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,565.94 : 89,103.29 = 35,886.18 : x
  2. Step 2: Convert to fraction form
    64,565.94/89,103.29 = 35,886.18/x
  3. Step 3: Cross multiply
    64,565.94x = 89,103.29 × 35,886.18
  4. Step 4: Simplify right side
    64,565.94x = 3,197,576,703.53
  5. Step 5: Solve for x
    x = 3,197,576,703.53/64,565.94
  6. Step 6: Final answer
    x = 49,524.20

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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.