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Finding the Fourth Proportional to 73,513.98, 101,458.98 and 71,512.47

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Solution

The fourth proportional to 73,513.98, 101,458.98 and 71,512.47 is: 98,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,513.98 : 101,458.98 = 71,512.47 : x
  2. Step 2: Convert to fraction form
    73,513.98/101,458.98 = 71,512.47/x
  3. Step 3: Cross multiply
    73,513.98x = 101,458.98 × 71,512.47
  4. Step 4: Simplify right side
    73,513.98x = 7,255,582,263.48
  5. Step 5: Solve for x
    x = 7,255,582,263.48/73,513.98
  6. Step 6: Final answer
    x = 98,696.63

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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.