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Finding the Fourth Proportional to 18,457.26, 25,471.26 and 10,501.44

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Solution

The fourth proportional to 18,457.26, 25,471.26 and 10,501.44 is: 14,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.26 : 25,471.26 = 10,501.44 : x
  2. Step 2: Convert to fraction form
    18,457.26/25,471.26 = 10,501.44/x
  3. Step 3: Cross multiply
    18,457.26x = 25,471.26 × 10,501.44
  4. Step 4: Simplify right side
    18,457.26x = 267,484,908.61
  5. Step 5: Solve for x
    x = 267,484,908.61/18,457.26
  6. Step 6: Final answer
    x = 14,492.12

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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.