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Finding the Fourth Proportional to 6,658.73, 9,980.32 and 5,009.98

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Solution

The fourth proportional to 6,658.73, 9,980.32 and 5,009.98 is: 7,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.73 : 9,980.32 = 5,009.98 : x
  2. Step 2: Convert to fraction form
    6,658.73/9,980.32 = 5,009.98/x
  3. Step 3: Cross multiply
    6,658.73x = 9,980.32 × 5,009.98
  4. Step 4: Simplify right side
    6,658.73x = 50,001,203.59
  5. Step 5: Solve for x
    x = 50,001,203.59/6,658.73
  6. Step 6: Final answer
    x = 7,509.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.