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Finding the Fourth Proportional to 2,832.32, 4,248.53 and 983.49

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Solution

The fourth proportional to 2,832.32, 4,248.53 and 983.49 is: 1,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.32 : 4,248.53 = 983.49 : x
  2. Step 2: Convert to fraction form
    2,832.32/4,248.53 = 983.49/x
  3. Step 3: Cross multiply
    2,832.32x = 4,248.53 × 983.49
  4. Step 4: Simplify right side
    2,832.32x = 4,178,386.77
  5. Step 5: Solve for x
    x = 4,178,386.77/2,832.32
  6. Step 6: Final answer
    x = 1,475.25

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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.