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Finding the Fourth Proportional to 8,997.63, 13,468.76 and 5,870.91

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Solution

The fourth proportional to 8,997.63, 13,468.76 and 5,870.91 is: 8,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.63 : 13,468.76 = 5,870.91 : x
  2. Step 2: Convert to fraction form
    8,997.63/13,468.76 = 5,870.91/x
  3. Step 3: Cross multiply
    8,997.63x = 13,468.76 × 5,870.91
  4. Step 4: Simplify right side
    8,997.63x = 79,073,848.42
  5. Step 5: Solve for x
    x = 79,073,848.42/8,997.63
  6. Step 6: Final answer
    x = 8,788.30

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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.