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Finding the Fourth Proportional to 71,656.76, 98,895.66 and 43,362.92

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Solution

The fourth proportional to 71,656.76, 98,895.66 and 43,362.92 is: 59,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,656.76 : 98,895.66 = 43,362.92 : x
  2. Step 2: Convert to fraction form
    71,656.76/98,895.66 = 43,362.92/x
  3. Step 3: Cross multiply
    71,656.76x = 98,895.66 × 43,362.92
  4. Step 4: Simplify right side
    71,656.76x = 4,288,404,592.93
  5. Step 5: Solve for x
    x = 4,288,404,592.93/71,656.76
  6. Step 6: Final answer
    x = 59,846.48

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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.