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Finding the Fourth Proportional to 1,041.88, 1,567.14 and 942.52

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Solution

The fourth proportional to 1,041.88, 1,567.14 and 942.52 is: 1,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.88 : 1,567.14 = 942.52 : x
  2. Step 2: Convert to fraction form
    1,041.88/1,567.14 = 942.52/x
  3. Step 3: Cross multiply
    1,041.88x = 1,567.14 × 942.52
  4. Step 4: Simplify right side
    1,041.88x = 1,477,060.79
  5. Step 5: Solve for x
    x = 1,477,060.79/1,041.88
  6. Step 6: Final answer
    x = 1,417.69

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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.