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Finding the Fourth Proportional to 1,495.24, 2,062.98 and 874.12

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Solution

The fourth proportional to 1,495.24, 2,062.98 and 874.12 is: 1,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.24 : 2,062.98 = 874.12 : x
  2. Step 2: Convert to fraction form
    1,495.24/2,062.98 = 874.12/x
  3. Step 3: Cross multiply
    1,495.24x = 2,062.98 × 874.12
  4. Step 4: Simplify right side
    1,495.24x = 1,803,292.08
  5. Step 5: Solve for x
    x = 1,803,292.08/1,495.24
  6. Step 6: Final answer
    x = 1,206.02

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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.