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Finding the Fourth Proportional to 9,888.46, 14,834.04 and 3,647.68

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Solution

The fourth proportional to 9,888.46, 14,834.04 and 3,647.68 is: 5,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.46 : 14,834.04 = 3,647.68 : x
  2. Step 2: Convert to fraction form
    9,888.46/14,834.04 = 3,647.68/x
  3. Step 3: Cross multiply
    9,888.46x = 14,834.04 × 3,647.68
  4. Step 4: Simplify right side
    9,888.46x = 54,109,831.03
  5. Step 5: Solve for x
    x = 54,109,831.03/9,888.46
  6. Step 6: Final answer
    x = 5,472.02

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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.