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Finding the Fourth Proportional to 12,593.02, 17,378.58 and 6,928.24

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Solution

The fourth proportional to 12,593.02, 17,378.58 and 6,928.24 is: 9,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.02 : 17,378.58 = 6,928.24 : x
  2. Step 2: Convert to fraction form
    12,593.02/17,378.58 = 6,928.24/x
  3. Step 3: Cross multiply
    12,593.02x = 17,378.58 × 6,928.24
  4. Step 4: Simplify right side
    12,593.02x = 120,402,973.10
  5. Step 5: Solve for x
    x = 120,402,973.10/12,593.02
  6. Step 6: Final answer
    x = 9,561.09

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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.