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Finding the Fourth Proportional to 9,808.60, 14,729.10 and 6,536.20

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Solution

The fourth proportional to 9,808.60, 14,729.10 and 6,536.20 is: 9,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.60 : 14,729.10 = 6,536.20 : x
  2. Step 2: Convert to fraction form
    9,808.60/14,729.10 = 6,536.20/x
  3. Step 3: Cross multiply
    9,808.60x = 14,729.10 × 6,536.20
  4. Step 4: Simplify right side
    9,808.60x = 96,272,343.42
  5. Step 5: Solve for x
    x = 96,272,343.42/9,808.60
  6. Step 6: Final answer
    x = 9,815.10

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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.