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Finding the Fourth Proportional to 60,548.50, 90,837.33 and 18,995.50

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Solution

The fourth proportional to 60,548.50, 90,837.33 and 18,995.50 is: 28,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,548.50 : 90,837.33 = 18,995.50 : x
  2. Step 2: Convert to fraction form
    60,548.50/90,837.33 = 18,995.50/x
  3. Step 3: Cross multiply
    60,548.50x = 90,837.33 × 18,995.50
  4. Step 4: Simplify right side
    60,548.50x = 1,725,500,502.02
  5. Step 5: Solve for x
    x = 1,725,500,502.02/60,548.50
  6. Step 6: Final answer
    x = 28,497.82

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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.