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Finding the Fourth Proportional to 60,789.64, 83,903.70 and 35,647.24

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Solution

The fourth proportional to 60,789.64, 83,903.70 and 35,647.24 is: 49,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,789.64 : 83,903.70 = 35,647.24 : x
  2. Step 2: Convert to fraction form
    60,789.64/83,903.70 = 35,647.24/x
  3. Step 3: Cross multiply
    60,789.64x = 83,903.70 × 35,647.24
  4. Step 4: Simplify right side
    60,789.64x = 2,990,935,330.79
  5. Step 5: Solve for x
    x = 2,990,935,330.79/60,789.64
  6. Step 6: Final answer
    x = 49,201.40

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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.