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Finding the Fourth Proportional to 60,532.72, 90,884.16 and 30,971.76

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Solution

The fourth proportional to 60,532.72, 90,884.16 and 30,971.76 is: 46,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,532.72 : 90,884.16 = 30,971.76 : x
  2. Step 2: Convert to fraction form
    60,532.72/90,884.16 = 30,971.76/x
  3. Step 3: Cross multiply
    60,532.72x = 90,884.16 × 30,971.76
  4. Step 4: Simplify right side
    60,532.72x = 2,814,842,391.32
  5. Step 5: Solve for x
    x = 2,814,842,391.32/60,532.72
  6. Step 6: Final answer
    x = 46,501.17

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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.