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Finding the Fourth Proportional to 29,188.56, 40,278.56 and 17,253

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Solution

The fourth proportional to 29,188.56, 40,278.56 and 17,253 is: 23,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.56 : 40,278.56 = 17,253 : x
  2. Step 2: Convert to fraction form
    29,188.56/40,278.56 = 17,253/x
  3. Step 3: Cross multiply
    29,188.56x = 40,278.56 × 17,253
  4. Step 4: Simplify right side
    29,188.56x = 694,925,995.68
  5. Step 5: Solve for x
    x = 694,925,995.68/29,188.56
  6. Step 6: Final answer
    x = 23,808.16

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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.