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Finding the Fourth Proportional to 18,862.96, 26,032.50 and 10,480

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Solution

The fourth proportional to 18,862.96, 26,032.50 and 10,480 is: 14,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.96 : 26,032.50 = 10,480 : x
  2. Step 2: Convert to fraction form
    18,862.96/26,032.50 = 10,480/x
  3. Step 3: Cross multiply
    18,862.96x = 26,032.50 × 10,480
  4. Step 4: Simplify right side
    18,862.96x = 272,820,600
  5. Step 5: Solve for x
    x = 272,820,600/18,862.96
  6. Step 6: Final answer
    x = 14,463.30

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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.