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Finding the Fourth Proportional to 7,177.34, 9,904.96 and 4,345.22

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Solution

The fourth proportional to 7,177.34, 9,904.96 and 4,345.22 is: 5,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.34 : 9,904.96 = 4,345.22 : x
  2. Step 2: Convert to fraction form
    7,177.34/9,904.96 = 4,345.22/x
  3. Step 3: Cross multiply
    7,177.34x = 9,904.96 × 4,345.22
  4. Step 4: Simplify right side
    7,177.34x = 43,039,230.29
  5. Step 5: Solve for x
    x = 43,039,230.29/7,177.34
  6. Step 6: Final answer
    x = 5,996.55

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1.5x scale

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.