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Finding the Fourth Proportional to 1,060.09, 1,463.43 and 706.60

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Solution

The fourth proportional to 1,060.09, 1,463.43 and 706.60 is: 975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.09 : 1,463.43 = 706.60 : x
  2. Step 2: Convert to fraction form
    1,060.09/1,463.43 = 706.60/x
  3. Step 3: Cross multiply
    1,060.09x = 1,463.43 × 706.60
  4. Step 4: Simplify right side
    1,060.09x = 1,034,059.64
  5. Step 5: Solve for x
    x = 1,034,059.64/1,060.09
  6. Step 6: Final answer
    x = 975.45

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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.