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Finding the Fourth Proportional to 15,598.16, 21,525.48 and 8,524.60

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Solution

The fourth proportional to 15,598.16, 21,525.48 and 8,524.60 is: 11,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.16 : 21,525.48 = 8,524.60 : x
  2. Step 2: Convert to fraction form
    15,598.16/21,525.48 = 8,524.60/x
  3. Step 3: Cross multiply
    15,598.16x = 21,525.48 × 8,524.60
  4. Step 4: Simplify right side
    15,598.16x = 183,496,106.81
  5. Step 5: Solve for x
    x = 183,496,106.81/15,598.16
  6. Step 6: Final answer
    x = 11,763.96

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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.