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Finding the Fourth Proportional to 1,526.92, 2,107.25 and 863.83

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Solution

The fourth proportional to 1,526.92, 2,107.25 and 863.83 is: 1,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.92 : 2,107.25 = 863.83 : x
  2. Step 2: Convert to fraction form
    1,526.92/2,107.25 = 863.83/x
  3. Step 3: Cross multiply
    1,526.92x = 2,107.25 × 863.83
  4. Step 4: Simplify right side
    1,526.92x = 1,820,307.32
  5. Step 5: Solve for x
    x = 1,820,307.32/1,526.92
  6. Step 6: Final answer
    x = 1,192.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.