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Finding the Fourth Proportional to 15,597.76, 21,525.59 and 8,794.07

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Solution

The fourth proportional to 15,597.76, 21,525.59 and 8,794.07 is: 12,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.76 : 21,525.59 = 8,794.07 : x
  2. Step 2: Convert to fraction form
    15,597.76/21,525.59 = 8,794.07/x
  3. Step 3: Cross multiply
    15,597.76x = 21,525.59 × 8,794.07
  4. Step 4: Simplify right side
    15,597.76x = 189,297,437.62
  5. Step 5: Solve for x
    x = 189,297,437.62/15,597.76
  6. Step 6: Final answer
    x = 12,136.19

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Double scale
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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.