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Finding the Fourth Proportional to 10,719, 14,793.84 and 6,529.68

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Solution

The fourth proportional to 10,719, 14,793.84 and 6,529.68 is: 9,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719 : 14,793.84 = 6,529.68 : x
  2. Step 2: Convert to fraction form
    10,719/14,793.84 = 6,529.68/x
  3. Step 3: Cross multiply
    10,719x = 14,793.84 × 6,529.68
  4. Step 4: Simplify right side
    10,719x = 96,599,041.17
  5. Step 5: Solve for x
    x = 96,599,041.17/10,719
  6. Step 6: Final answer
    x = 9,011.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.