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Finding the Fourth Proportional to 60,792.63, 83,889.79 and 38,130.63

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Solution

The fourth proportional to 60,792.63, 83,889.79 and 38,130.63 is: 52,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,792.63 : 83,889.79 = 38,130.63 : x
  2. Step 2: Convert to fraction form
    60,792.63/83,889.79 = 38,130.63/x
  3. Step 3: Cross multiply
    60,792.63x = 83,889.79 × 38,130.63
  4. Step 4: Simplify right side
    60,792.63x = 3,198,770,543.27
  5. Step 5: Solve for x
    x = 3,198,770,543.27/60,792.63
  6. Step 6: Final answer
    x = 52,617.74

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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.