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Finding the Fourth Proportional to 60,459.74, 90,689.46 and 16,086.50

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Solution

The fourth proportional to 60,459.74, 90,689.46 and 16,086.50 is: 24,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,459.74 : 90,689.46 = 16,086.50 : x
  2. Step 2: Convert to fraction form
    60,459.74/90,689.46 = 16,086.50/x
  3. Step 3: Cross multiply
    60,459.74x = 90,689.46 × 16,086.50
  4. Step 4: Simplify right side
    60,459.74x = 1,458,875,544.84
  5. Step 5: Solve for x
    x = 1,458,875,544.84/60,459.74
  6. Step 6: Final answer
    x = 24,129.70

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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.