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Finding the Fourth Proportional to 1,262.08, 1,741.84 and 951.04

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Solution

The fourth proportional to 1,262.08, 1,741.84 and 951.04 is: 1,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.08 : 1,741.84 = 951.04 : x
  2. Step 2: Convert to fraction form
    1,262.08/1,741.84 = 951.04/x
  3. Step 3: Cross multiply
    1,262.08x = 1,741.84 × 951.04
  4. Step 4: Simplify right side
    1,262.08x = 1,656,559.51
  5. Step 5: Solve for x
    x = 1,656,559.51/1,262.08
  6. Step 6: Final answer
    x = 1,312.56

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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.