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Finding the Fourth Proportional to 60,227.40, 90,326.52 and 28,623.48

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Solution

The fourth proportional to 60,227.40, 90,326.52 and 28,623.48 is: 42,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,227.40 : 90,326.52 = 28,623.48 : x
  2. Step 2: Convert to fraction form
    60,227.40/90,326.52 = 28,623.48/x
  3. Step 3: Cross multiply
    60,227.40x = 90,326.52 × 28,623.48
  4. Step 4: Simplify right side
    60,227.40x = 2,585,459,338.69
  5. Step 5: Solve for x
    x = 2,585,459,338.69/60,227.40
  6. Step 6: Final answer
    x = 42,928.29

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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.