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Finding the Fourth Proportional to 6,607.58, 9,127.95 and 5,279.54

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Solution

The fourth proportional to 6,607.58, 9,127.95 and 5,279.54 is: 7,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.58 : 9,127.95 = 5,279.54 : x
  2. Step 2: Convert to fraction form
    6,607.58/9,127.95 = 5,279.54/x
  3. Step 3: Cross multiply
    6,607.58x = 9,127.95 × 5,279.54
  4. Step 4: Simplify right side
    6,607.58x = 48,191,377.14
  5. Step 5: Solve for x
    x = 48,191,377.14/6,607.58
  6. Step 6: Final answer
    x = 7,293.35

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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.