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Finding the Fourth Proportional to 18,875.97, 26,048.20 and 10,492.29

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Solution

The fourth proportional to 18,875.97, 26,048.20 and 10,492.29 is: 14,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.97 : 26,048.20 = 10,492.29 : x
  2. Step 2: Convert to fraction form
    18,875.97/26,048.20 = 10,492.29/x
  3. Step 3: Cross multiply
    18,875.97x = 26,048.20 × 10,492.29
  4. Step 4: Simplify right side
    18,875.97x = 273,305,268.38
  5. Step 5: Solve for x
    x = 273,305,268.38/18,875.97
  6. Step 6: Final answer
    x = 14,479.01

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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.