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Finding the Fourth Proportional to 60,478.23, 83,447.76 and 35,322.87

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Solution

The fourth proportional to 60,478.23, 83,447.76 and 35,322.87 is: 48,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478.23 : 83,447.76 = 35,322.87 : x
  2. Step 2: Convert to fraction form
    60,478.23/83,447.76 = 35,322.87/x
  3. Step 3: Cross multiply
    60,478.23x = 83,447.76 × 35,322.87
  4. Step 4: Simplify right side
    60,478.23x = 2,947,614,378.27
  5. Step 5: Solve for x
    x = 2,947,614,378.27/60,478.23
  6. Step 6: Final answer
    x = 48,738.44

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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.