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Finding the Fourth Proportional to 1,068.04, 1,473.14 and 675.16

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Solution

The fourth proportional to 1,068.04, 1,473.14 and 675.16 is: 931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.04 : 1,473.14 = 675.16 : x
  2. Step 2: Convert to fraction form
    1,068.04/1,473.14 = 675.16/x
  3. Step 3: Cross multiply
    1,068.04x = 1,473.14 × 675.16
  4. Step 4: Simplify right side
    1,068.04x = 994,605.20
  5. Step 5: Solve for x
    x = 994,605.20/1,068.04
  6. Step 6: Final answer
    x = 931.24

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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.