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Finding the Fourth Proportional to 3,443.66, 4,752.05 and 1,871.74

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Solution

The fourth proportional to 3,443.66, 4,752.05 and 1,871.74 is: 2,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.66 : 4,752.05 = 1,871.74 : x
  2. Step 2: Convert to fraction form
    3,443.66/4,752.05 = 1,871.74/x
  3. Step 3: Cross multiply
    3,443.66x = 4,752.05 × 1,871.74
  4. Step 4: Simplify right side
    3,443.66x = 8,894,602.07
  5. Step 5: Solve for x
    x = 8,894,602.07/3,443.66
  6. Step 6: Final answer
    x = 2,582.89

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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.