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Finding the Fourth Proportional to 61,262.56, 84,532.16 and 36,108.64

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Solution

The fourth proportional to 61,262.56, 84,532.16 and 36,108.64 is: 49,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,262.56 : 84,532.16 = 36,108.64 : x
  2. Step 2: Convert to fraction form
    61,262.56/84,532.16 = 36,108.64/x
  3. Step 3: Cross multiply
    61,262.56x = 84,532.16 × 36,108.64
  4. Step 4: Simplify right side
    61,262.56x = 3,052,341,333.86
  5. Step 5: Solve for x
    x = 3,052,341,333.86/61,262.56
  6. Step 6: Final answer
    x = 49,823.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.