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Finding the Fourth Proportional to 15,888.80, 23,833.20 and 10,071.20

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Solution

The fourth proportional to 15,888.80, 23,833.20 and 10,071.20 is: 15,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.80 : 23,833.20 = 10,071.20 : x
  2. Step 2: Convert to fraction form
    15,888.80/23,833.20 = 10,071.20/x
  3. Step 3: Cross multiply
    15,888.80x = 23,833.20 × 10,071.20
  4. Step 4: Simplify right side
    15,888.80x = 240,028,923.84
  5. Step 5: Solve for x
    x = 240,028,923.84/15,888.80
  6. Step 6: Final answer
    x = 15,106.80

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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.