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Finding the Fourth Proportional to 29,695.81, 40,979.08 and 16,267.16

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Solution

The fourth proportional to 29,695.81, 40,979.08 and 16,267.16 is: 22,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,695.81 : 40,979.08 = 16,267.16 : x
  2. Step 2: Convert to fraction form
    29,695.81/40,979.08 = 16,267.16/x
  3. Step 3: Cross multiply
    29,695.81x = 40,979.08 × 16,267.16
  4. Step 4: Simplify right side
    29,695.81x = 666,613,251.01
  5. Step 5: Solve for x
    x = 666,613,251.01/29,695.81
  6. Step 6: Final answer
    x = 22,448.06

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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.