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Finding the Fourth Proportional to 12,341.79, 17,032.10 and 6,752.79

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Solution

The fourth proportional to 12,341.79, 17,032.10 and 6,752.79 is: 9,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.79 : 17,032.10 = 6,752.79 : x
  2. Step 2: Convert to fraction form
    12,341.79/17,032.10 = 6,752.79/x
  3. Step 3: Cross multiply
    12,341.79x = 17,032.10 × 6,752.79
  4. Step 4: Simplify right side
    12,341.79x = 115,014,160.80
  5. Step 5: Solve for x
    x = 115,014,160.80/12,341.79
  6. Step 6: Final answer
    x = 9,319.08

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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.