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Finding the Fourth Proportional to 60,010.52, 90,072.28 and 30,449.57

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Solution

The fourth proportional to 60,010.52, 90,072.28 and 30,449.57 is: 45,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,010.52 : 90,072.28 = 30,449.57 : x
  2. Step 2: Convert to fraction form
    60,010.52/90,072.28 = 30,449.57/x
  3. Step 3: Cross multiply
    60,010.52x = 90,072.28 × 30,449.57
  4. Step 4: Simplify right side
    60,010.52x = 2,742,662,203.64
  5. Step 5: Solve for x
    x = 2,742,662,203.64/60,010.52
  6. Step 6: Final answer
    x = 45,703.02

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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.