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Finding the Fourth Proportional to 1,060.04, 1,462.32 and 666.32

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Solution

The fourth proportional to 1,060.04, 1,462.32 and 666.32 is: 919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.04 : 1,462.32 = 666.32 : x
  2. Step 2: Convert to fraction form
    1,060.04/1,462.32 = 666.32/x
  3. Step 3: Cross multiply
    1,060.04x = 1,462.32 × 666.32
  4. Step 4: Simplify right side
    1,060.04x = 974,373.06
  5. Step 5: Solve for x
    x = 974,373.06/1,060.04
  6. Step 6: Final answer
    x = 919.19

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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.