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Finding the Fourth Proportional to 55,230.60, 82,870.20 and 25,633.20

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Solution

The fourth proportional to 55,230.60, 82,870.20 and 25,633.20 is: 38,461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,230.60 : 82,870.20 = 25,633.20 : x
  2. Step 2: Convert to fraction form
    55,230.60/82,870.20 = 25,633.20/x
  3. Step 3: Cross multiply
    55,230.60x = 82,870.20 × 25,633.20
  4. Step 4: Simplify right side
    55,230.60x = 2,124,228,410.64
  5. Step 5: Solve for x
    x = 2,124,228,410.64/55,230.60
  6. Step 6: Final answer
    x = 38,461.08

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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.