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Finding the Fourth Proportional to 15,598.13, 21,525.48 and 8,524.53

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Solution

The fourth proportional to 15,598.13, 21,525.48 and 8,524.53 is: 11,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.13 : 21,525.48 = 8,524.53 : x
  2. Step 2: Convert to fraction form
    15,598.13/21,525.48 = 8,524.53/x
  3. Step 3: Cross multiply
    15,598.13x = 21,525.48 × 8,524.53
  4. Step 4: Simplify right side
    15,598.13x = 183,494,600.02
  5. Step 5: Solve for x
    x = 183,494,600.02/15,598.13
  6. Step 6: Final answer
    x = 11,763.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.