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Finding the Fourth Proportional to 58,861.80, 81,228.96 and 33,373

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Solution

The fourth proportional to 58,861.80, 81,228.96 and 33,373 is: 46,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,861.80 : 81,228.96 = 33,373 : x
  2. Step 2: Convert to fraction form
    58,861.80/81,228.96 = 33,373/x
  3. Step 3: Cross multiply
    58,861.80x = 81,228.96 × 33,373
  4. Step 4: Simplify right side
    58,861.80x = 2,710,854,082.08
  5. Step 5: Solve for x
    x = 2,710,854,082.08/58,861.80
  6. Step 6: Final answer
    x = 46,054.56

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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.