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Finding the Fourth Proportional to 15,684.12, 23,526.99 and 6,919.11

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Solution

The fourth proportional to 15,684.12, 23,526.99 and 6,919.11 is: 10,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684.12 : 23,526.99 = 6,919.11 : x
  2. Step 2: Convert to fraction form
    15,684.12/23,526.99 = 6,919.11/x
  3. Step 3: Cross multiply
    15,684.12x = 23,526.99 × 6,919.11
  4. Step 4: Simplify right side
    15,684.12x = 162,785,831.78
  5. Step 5: Solve for x
    x = 162,785,831.78/15,684.12
  6. Step 6: Final answer
    x = 10,379.02

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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.