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Finding the Fourth Proportional to 86,501.67, 129,825.41 and 33,948.06

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Solution

The fourth proportional to 86,501.67, 129,825.41 and 33,948.06 is: 50,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,501.67 : 129,825.41 = 33,948.06 : x
  2. Step 2: Convert to fraction form
    86,501.67/129,825.41 = 33,948.06/x
  3. Step 3: Cross multiply
    86,501.67x = 129,825.41 × 33,948.06
  4. Step 4: Simplify right side
    86,501.67x = 4,407,320,808.20
  5. Step 5: Solve for x
    x = 4,407,320,808.20/86,501.67
  6. Step 6: Final answer
    x = 50,950.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.