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Finding the Fourth Proportional to 1,169.02, 1,753.12 and 975.23

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Solution

The fourth proportional to 1,169.02, 1,753.12 and 975.23 is: 1,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.02 : 1,753.12 = 975.23 : x
  2. Step 2: Convert to fraction form
    1,169.02/1,753.12 = 975.23/x
  3. Step 3: Cross multiply
    1,169.02x = 1,753.12 × 975.23
  4. Step 4: Simplify right side
    1,169.02x = 1,709,695.22
  5. Step 5: Solve for x
    x = 1,709,695.22/1,169.02
  6. Step 6: Final answer
    x = 1,462.50

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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.