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Finding the Fourth Proportional to 43,888.16, 65,816.68 and 15,800.68

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Solution

The fourth proportional to 43,888.16, 65,816.68 and 15,800.68 is: 23,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,888.16 : 65,816.68 = 15,800.68 : x
  2. Step 2: Convert to fraction form
    43,888.16/65,816.68 = 15,800.68/x
  3. Step 3: Cross multiply
    43,888.16x = 65,816.68 × 15,800.68
  4. Step 4: Simplify right side
    43,888.16x = 1,039,948,299.34
  5. Step 5: Solve for x
    x = 1,039,948,299.34/43,888.16
  6. Step 6: Final answer
    x = 23,695.42

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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.