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Finding the Fourth Proportional to 2,106.53, 3,159.80 and 567.53

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Solution

The fourth proportional to 2,106.53, 3,159.80 and 567.53 is: 851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.53 : 3,159.80 = 567.53 : x
  2. Step 2: Convert to fraction form
    2,106.53/3,159.80 = 567.53/x
  3. Step 3: Cross multiply
    2,106.53x = 3,159.80 × 567.53
  4. Step 4: Simplify right side
    2,106.53x = 1,793,278.46
  5. Step 5: Solve for x
    x = 1,793,278.46/2,106.53
  6. Step 6: Final answer
    x = 851.30

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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.