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Finding the Fourth Proportional to 71,341.92, 98,434.80 and 46,186.56

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Solution

The fourth proportional to 71,341.92, 98,434.80 and 46,186.56 is: 63,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,341.92 : 98,434.80 = 46,186.56 : x
  2. Step 2: Convert to fraction form
    71,341.92/98,434.80 = 46,186.56/x
  3. Step 3: Cross multiply
    71,341.92x = 98,434.80 × 46,186.56
  4. Step 4: Simplify right side
    71,341.92x = 4,546,364,796.29
  5. Step 5: Solve for x
    x = 4,546,364,796.29/71,341.92
  6. Step 6: Final answer
    x = 63,726.41

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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.