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Finding the Fourth Proportional to 1,465.30, 2,022.72 and 875.92

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Solution

The fourth proportional to 1,465.30, 2,022.72 and 875.92 is: 1,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.30 : 2,022.72 = 875.92 : x
  2. Step 2: Convert to fraction form
    1,465.30/2,022.72 = 875.92/x
  3. Step 3: Cross multiply
    1,465.30x = 2,022.72 × 875.92
  4. Step 4: Simplify right side
    1,465.30x = 1,771,740.90
  5. Step 5: Solve for x
    x = 1,771,740.90/1,465.30
  6. Step 6: Final answer
    x = 1,209.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.