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Finding the Fourth Proportional to 10,672.60, 16,023.30 and 6,784.60

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Solution

The fourth proportional to 10,672.60, 16,023.30 and 6,784.60 is: 10,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.60 : 16,023.30 = 6,784.60 : x
  2. Step 2: Convert to fraction form
    10,672.60/16,023.30 = 6,784.60/x
  3. Step 3: Cross multiply
    10,672.60x = 16,023.30 × 6,784.60
  4. Step 4: Simplify right side
    10,672.60x = 108,711,681.18
  5. Step 5: Solve for x
    x = 108,711,681.18/10,672.60
  6. Step 6: Final answer
    x = 10,186.05

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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.