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Finding the Fourth Proportional to 12,360.66, 17,058.76 and 6,984.08

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Solution

The fourth proportional to 12,360.66, 17,058.76 and 6,984.08 is: 9,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.66 : 17,058.76 = 6,984.08 : x
  2. Step 2: Convert to fraction form
    12,360.66/17,058.76 = 6,984.08/x
  3. Step 3: Cross multiply
    12,360.66x = 17,058.76 × 6,984.08
  4. Step 4: Simplify right side
    12,360.66x = 119,139,744.54
  5. Step 5: Solve for x
    x = 119,139,744.54/12,360.66
  6. Step 6: Final answer
    x = 9,638.62

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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.