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Finding the Fourth Proportional to 3,062.16, 4,592.55 and 870.84

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Solution

The fourth proportional to 3,062.16, 4,592.55 and 870.84 is: 1,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.16 : 4,592.55 = 870.84 : x
  2. Step 2: Convert to fraction form
    3,062.16/4,592.55 = 870.84/x
  3. Step 3: Cross multiply
    3,062.16x = 4,592.55 × 870.84
  4. Step 4: Simplify right side
    3,062.16x = 3,999,376.24
  5. Step 5: Solve for x
    x = 3,999,376.24/3,062.16
  6. Step 6: Final answer
    x = 1,306.06

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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.