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Finding the Fourth Proportional to 2,407.76, 3,319.08 and 1,882.88

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Solution

The fourth proportional to 2,407.76, 3,319.08 and 1,882.88 is: 2,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.76 : 3,319.08 = 1,882.88 : x
  2. Step 2: Convert to fraction form
    2,407.76/3,319.08 = 1,882.88/x
  3. Step 3: Cross multiply
    2,407.76x = 3,319.08 × 1,882.88
  4. Step 4: Simplify right side
    2,407.76x = 6,249,429.35
  5. Step 5: Solve for x
    x = 6,249,429.35/2,407.76
  6. Step 6: Final answer
    x = 2,595.54

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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.