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Finding the Fourth Proportional to 59,750.87, 89,681.72 and 30,189.46

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Solution

The fourth proportional to 59,750.87, 89,681.72 and 30,189.46 is: 45,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,750.87 : 89,681.72 = 30,189.46 : x
  2. Step 2: Convert to fraction form
    59,750.87/89,681.72 = 30,189.46/x
  3. Step 3: Cross multiply
    59,750.87x = 89,681.72 × 30,189.46
  4. Step 4: Simplify right side
    59,750.87x = 2,707,442,491.67
  5. Step 5: Solve for x
    x = 2,707,442,491.67/59,750.87
  6. Step 6: Final answer
    x = 45,312.19

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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.