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Finding the Fourth Proportional to 15,597.29, 21,525.54 and 8,885.02

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Solution

The fourth proportional to 15,597.29, 21,525.54 and 8,885.02 is: 12,262.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.29 : 21,525.54 = 8,885.02 : x
  2. Step 2: Convert to fraction form
    15,597.29/21,525.54 = 8,885.02/x
  3. Step 3: Cross multiply
    15,597.29x = 21,525.54 × 8,885.02
  4. Step 4: Simplify right side
    15,597.29x = 191,254,853.41
  5. Step 5: Solve for x
    x = 191,254,853.41/15,597.29
  6. Step 6: Final answer
    x = 12,262.06

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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.