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Finding the Fourth Proportional to 82,475.22, 113,808.87 and 48,484.80

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Solution

The fourth proportional to 82,475.22, 113,808.87 and 48,484.80 is: 66,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,475.22 : 113,808.87 = 48,484.80 : x
  2. Step 2: Convert to fraction form
    82,475.22/113,808.87 = 48,484.80/x
  3. Step 3: Cross multiply
    82,475.22x = 113,808.87 × 48,484.80
  4. Step 4: Simplify right side
    82,475.22x = 5,518,000,300.18
  5. Step 5: Solve for x
    x = 5,518,000,300.18/82,475.22
  6. Step 6: Final answer
    x = 66,904.95

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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.