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Finding the Fourth Proportional to 1,860.71, 2,567.53 and 1,114.52

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Solution

The fourth proportional to 1,860.71, 2,567.53 and 1,114.52 is: 1,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.71 : 2,567.53 = 1,114.52 : x
  2. Step 2: Convert to fraction form
    1,860.71/2,567.53 = 1,114.52/x
  3. Step 3: Cross multiply
    1,860.71x = 2,567.53 × 1,114.52
  4. Step 4: Simplify right side
    1,860.71x = 2,861,547.91
  5. Step 5: Solve for x
    x = 2,861,547.91/1,860.71
  6. Step 6: Final answer
    x = 1,537.88

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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.