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Finding the Fourth Proportional to 13,593.32, 18,746.34 and 8,875.88

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Solution

The fourth proportional to 13,593.32, 18,746.34 and 8,875.88 is: 12,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.32 : 18,746.34 = 8,875.88 : x
  2. Step 2: Convert to fraction form
    13,593.32/18,746.34 = 8,875.88/x
  3. Step 3: Cross multiply
    13,593.32x = 18,746.34 × 8,875.88
  4. Step 4: Simplify right side
    13,593.32x = 166,390,264.28
  5. Step 5: Solve for x
    x = 166,390,264.28/13,593.32
  6. Step 6: Final answer
    x = 12,240.59

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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.