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Finding the Fourth Proportional to 10,752.21, 14,832.71 and 9,334.01

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Solution

The fourth proportional to 10,752.21, 14,832.71 and 9,334.01 is: 12,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752.21 : 14,832.71 = 9,334.01 : x
  2. Step 2: Convert to fraction form
    10,752.21/14,832.71 = 9,334.01/x
  3. Step 3: Cross multiply
    10,752.21x = 14,832.71 × 9,334.01
  4. Step 4: Simplify right side
    10,752.21x = 138,448,542.63
  5. Step 5: Solve for x
    x = 138,448,542.63/10,752.21
  6. Step 6: Final answer
    x = 12,876.29

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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.