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Finding the Fourth Proportional to 58,459.70, 80,655.99 and 35,775.04

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Solution

The fourth proportional to 58,459.70, 80,655.99 and 35,775.04 is: 49,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,459.70 : 80,655.99 = 35,775.04 : x
  2. Step 2: Convert to fraction form
    58,459.70/80,655.99 = 35,775.04/x
  3. Step 3: Cross multiply
    58,459.70x = 80,655.99 × 35,775.04
  4. Step 4: Simplify right side
    58,459.70x = 2,885,471,268.49
  5. Step 5: Solve for x
    x = 2,885,471,268.49/58,459.70
  6. Step 6: Final answer
    x = 49,358.30

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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.