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Finding the Fourth Proportional to 60,245.84, 90,373.46 and 15,872.09

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Solution

The fourth proportional to 60,245.84, 90,373.46 and 15,872.09 is: 23,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,245.84 : 90,373.46 = 15,872.09 : x
  2. Step 2: Convert to fraction form
    60,245.84/90,373.46 = 15,872.09/x
  3. Step 3: Cross multiply
    60,245.84x = 90,373.46 × 15,872.09
  4. Step 4: Simplify right side
    60,245.84x = 1,434,415,159.50
  5. Step 5: Solve for x
    x = 1,434,415,159.50/60,245.84
  6. Step 6: Final answer
    x = 23,809.36

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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.