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Finding the Fourth Proportional to 8,697.61, 13,030.01 and 6,740.24

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Solution

The fourth proportional to 8,697.61, 13,030.01 and 6,740.24 is: 10,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.61 : 13,030.01 = 6,740.24 : x
  2. Step 2: Convert to fraction form
    8,697.61/13,030.01 = 6,740.24/x
  3. Step 3: Cross multiply
    8,697.61x = 13,030.01 × 6,740.24
  4. Step 4: Simplify right side
    8,697.61x = 87,825,418.75
  5. Step 5: Solve for x
    x = 87,825,418.75/8,697.61
  6. Step 6: Final answer
    x = 10,097.65

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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.