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Finding the Fourth Proportional to 29,507.56, 40,719.48 and 17,568.16

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Solution

The fourth proportional to 29,507.56, 40,719.48 and 17,568.16 is: 24,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.56 : 40,719.48 = 17,568.16 : x
  2. Step 2: Convert to fraction form
    29,507.56/40,719.48 = 17,568.16/x
  3. Step 3: Cross multiply
    29,507.56x = 40,719.48 × 17,568.16
  4. Step 4: Simplify right side
    29,507.56x = 715,366,339.76
  5. Step 5: Solve for x
    x = 715,366,339.76/29,507.56
  6. Step 6: Final answer
    x = 24,243.49

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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.