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Finding the Fourth Proportional to 58,489.16, 80,715.82 and 32,995.45

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Solution

The fourth proportional to 58,489.16, 80,715.82 and 32,995.45 is: 45,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,489.16 : 80,715.82 = 32,995.45 : x
  2. Step 2: Convert to fraction form
    58,489.16/80,715.82 = 32,995.45/x
  3. Step 3: Cross multiply
    58,489.16x = 80,715.82 × 32,995.45
  4. Step 4: Simplify right side
    58,489.16x = 2,663,254,523.17
  5. Step 5: Solve for x
    x = 2,663,254,523.17/58,489.16
  6. Step 6: Final answer
    x = 45,534.16

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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.