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Finding the Fourth Proportional to 57,210.30, 85,870.62 and 27,648.90

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Solution

The fourth proportional to 57,210.30, 85,870.62 and 27,648.90 is: 41,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,210.30 : 85,870.62 = 27,648.90 : x
  2. Step 2: Convert to fraction form
    57,210.30/85,870.62 = 27,648.90/x
  3. Step 3: Cross multiply
    57,210.30x = 85,870.62 × 27,648.90
  4. Step 4: Simplify right side
    57,210.30x = 2,374,228,185.32
  5. Step 5: Solve for x
    x = 2,374,228,185.32/57,210.30
  6. Step 6: Final answer
    x = 41,500.01

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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.