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Finding the Fourth Proportional to 2,158.53, 3,235.08 and 924.48

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Solution

The fourth proportional to 2,158.53, 3,235.08 and 924.48 is: 1,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.53 : 3,235.08 = 924.48 : x
  2. Step 2: Convert to fraction form
    2,158.53/3,235.08 = 924.48/x
  3. Step 3: Cross multiply
    2,158.53x = 3,235.08 × 924.48
  4. Step 4: Simplify right side
    2,158.53x = 2,990,766.76
  5. Step 5: Solve for x
    x = 2,990,766.76/2,158.53
  6. Step 6: Final answer
    x = 1,385.56

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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.