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Finding the Fourth Proportional to 15,218.08, 22,810.04 and 6,885.60

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Solution

The fourth proportional to 15,218.08, 22,810.04 and 6,885.60 is: 10,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.08 : 22,810.04 = 6,885.60 : x
  2. Step 2: Convert to fraction form
    15,218.08/22,810.04 = 6,885.60/x
  3. Step 3: Cross multiply
    15,218.08x = 22,810.04 × 6,885.60
  4. Step 4: Simplify right side
    15,218.08x = 157,060,811.42
  5. Step 5: Solve for x
    x = 157,060,811.42/15,218.08
  6. Step 6: Final answer
    x = 10,320.67

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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.