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Finding the Fourth Proportional to 58,456.92, 80,688.78 and 33,323.16

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Solution

The fourth proportional to 58,456.92, 80,688.78 and 33,323.16 is: 45,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,456.92 : 80,688.78 = 33,323.16 : x
  2. Step 2: Convert to fraction form
    58,456.92/80,688.78 = 33,323.16/x
  3. Step 3: Cross multiply
    58,456.92x = 80,688.78 × 33,323.16
  4. Step 4: Simplify right side
    58,456.92x = 2,688,805,126.14
  5. Step 5: Solve for x
    x = 2,688,805,126.14/58,456.92
  6. Step 6: Final answer
    x = 45,996.35

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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.