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Finding the Fourth Proportional to 71,295.66, 98,283.21 and 54,270.24

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Solution

The fourth proportional to 71,295.66, 98,283.21 and 54,270.24 is: 74,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,295.66 : 98,283.21 = 54,270.24 : x
  2. Step 2: Convert to fraction form
    71,295.66/98,283.21 = 54,270.24/x
  3. Step 3: Cross multiply
    71,295.66x = 98,283.21 × 54,270.24
  4. Step 4: Simplify right side
    71,295.66x = 5,333,852,822.59
  5. Step 5: Solve for x
    x = 5,333,852,822.59/71,295.66
  6. Step 6: Final answer
    x = 74,813.15

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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.