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Finding the Fourth Proportional to 71,011.67, 98,069.00 and 58,955.81

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Solution

The fourth proportional to 71,011.67, 98,069.00 and 58,955.81 is: 81,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,011.67 : 98,069.00 = 58,955.81 : x
  2. Step 2: Convert to fraction form
    71,011.67/98,069.00 = 58,955.81/x
  3. Step 3: Cross multiply
    71,011.67x = 98,069.00 × 58,955.81
  4. Step 4: Simplify right side
    71,011.67x = 5,781,736,545.77
  5. Step 5: Solve for x
    x = 5,781,736,545.77/71,011.67
  6. Step 6: Final answer
    x = 81,419.53

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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.