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Finding the Fourth Proportional to 18,884.08, 26,060.16 and 10,501.12

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Solution

The fourth proportional to 18,884.08, 26,060.16 and 10,501.12 is: 14,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.08 : 26,060.16 = 10,501.12 : x
  2. Step 2: Convert to fraction form
    18,884.08/26,060.16 = 10,501.12/x
  3. Step 3: Cross multiply
    18,884.08x = 26,060.16 × 10,501.12
  4. Step 4: Simplify right side
    18,884.08x = 273,660,867.38
  5. Step 5: Solve for x
    x = 273,660,867.38/18,884.08
  6. Step 6: Final answer
    x = 14,491.62

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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.