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Finding the Fourth Proportional to 64,535.01, 89,055.18 and 35,856.48

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Solution

The fourth proportional to 64,535.01, 89,055.18 and 35,856.48 is: 49,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,535.01 : 89,055.18 = 35,856.48 : x
  2. Step 2: Convert to fraction form
    64,535.01/89,055.18 = 35,856.48/x
  3. Step 3: Cross multiply
    64,535.01x = 89,055.18 × 35,856.48
  4. Step 4: Simplify right side
    64,535.01x = 3,193,205,280.57
  5. Step 5: Solve for x
    x = 3,193,205,280.57/64,535.01
  6. Step 6: Final answer
    x = 49,480.20

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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.