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Finding the Fourth Proportional to 60,632.89, 90,988.25 and 40,664.92

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Solution

The fourth proportional to 60,632.89, 90,988.25 and 40,664.92 is: 61,023.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,632.89 : 90,988.25 = 40,664.92 : x
  2. Step 2: Convert to fraction form
    60,632.89/90,988.25 = 40,664.92/x
  3. Step 3: Cross multiply
    60,632.89x = 90,988.25 × 40,664.92
  4. Step 4: Simplify right side
    60,632.89x = 3,700,029,647.00
  5. Step 5: Solve for x
    x = 3,700,029,647.00/60,632.89
  6. Step 6: Final answer
    x = 61,023.48

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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.