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Finding the Fourth Proportional to 15,053.40, 22,601.70 and 8,492.40

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Solution

The fourth proportional to 15,053.40, 22,601.70 and 8,492.40 is: 12,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.40 : 22,601.70 = 8,492.40 : x
  2. Step 2: Convert to fraction form
    15,053.40/22,601.70 = 8,492.40/x
  3. Step 3: Cross multiply
    15,053.40x = 22,601.70 × 8,492.40
  4. Step 4: Simplify right side
    15,053.40x = 191,942,677.08
  5. Step 5: Solve for x
    x = 191,942,677.08/15,053.40
  6. Step 6: Final answer
    x = 12,750.79

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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.