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Finding the Fourth Proportional to 58,710.25, 81,020.15 and 33,560.29

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Solution

The fourth proportional to 58,710.25, 81,020.15 and 33,560.29 is: 46,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,710.25 : 81,020.15 = 33,560.29 : x
  2. Step 2: Convert to fraction form
    58,710.25/81,020.15 = 33,560.29/x
  3. Step 3: Cross multiply
    58,710.25x = 81,020.15 × 33,560.29
  4. Step 4: Simplify right side
    58,710.25x = 2,719,059,729.84
  5. Step 5: Solve for x
    x = 2,719,059,729.84/58,710.25
  6. Step 6: Final answer
    x = 46,313.20

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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.