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Finding the Fourth Proportional to 2,700.17, 4,048.63 and 1,057.49

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Solution

The fourth proportional to 2,700.17, 4,048.63 and 1,057.49 is: 1,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.17 : 4,048.63 = 1,057.49 : x
  2. Step 2: Convert to fraction form
    2,700.17/4,048.63 = 1,057.49/x
  3. Step 3: Cross multiply
    2,700.17x = 4,048.63 × 1,057.49
  4. Step 4: Simplify right side
    2,700.17x = 4,281,385.74
  5. Step 5: Solve for x
    x = 4,281,385.74/2,700.17
  6. Step 6: Final answer
    x = 1,585.60

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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.