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Finding the Fourth Proportional to 60,478.64, 83,462.67 and 33,256.79

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Solution

The fourth proportional to 60,478.64, 83,462.67 and 33,256.79 is: 45,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478.64 : 83,462.67 = 33,256.79 : x
  2. Step 2: Convert to fraction form
    60,478.64/83,462.67 = 33,256.79/x
  3. Step 3: Cross multiply
    60,478.64x = 83,462.67 × 33,256.79
  4. Step 4: Simplify right side
    60,478.64x = 2,775,700,384.70
  5. Step 5: Solve for x
    x = 2,775,700,384.70/60,478.64
  6. Step 6: Final answer
    x = 45,895.55

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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.