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Finding the Fourth Proportional to 14,256.48, 21,371.48 and 6,763.56

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Solution

The fourth proportional to 14,256.48, 21,371.48 and 6,763.56 is: 10,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.48 : 21,371.48 = 6,763.56 : x
  2. Step 2: Convert to fraction form
    14,256.48/21,371.48 = 6,763.56/x
  3. Step 3: Cross multiply
    14,256.48x = 21,371.48 × 6,763.56
  4. Step 4: Simplify right side
    14,256.48x = 144,547,236.72
  5. Step 5: Solve for x
    x = 144,547,236.72/14,256.48
  6. Step 6: Final answer
    x = 10,139.06

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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.