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Finding the Fourth Proportional to 15,897.20, 23,788.20 and 10,713.20

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Solution

The fourth proportional to 15,897.20, 23,788.20 and 10,713.20 is: 16,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.20 : 23,788.20 = 10,713.20 : x
  2. Step 2: Convert to fraction form
    15,897.20/23,788.20 = 10,713.20/x
  3. Step 3: Cross multiply
    15,897.20x = 23,788.20 × 10,713.20
  4. Step 4: Simplify right side
    15,897.20x = 254,847,744.24
  5. Step 5: Solve for x
    x = 254,847,744.24/15,897.20
  6. Step 6: Final answer
    x = 16,030.98

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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.