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Finding the Fourth Proportional to 40,203.64, 55,484.42 and 22,304.42

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Solution

The fourth proportional to 40,203.64, 55,484.42 and 22,304.42 is: 30,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,203.64 : 55,484.42 = 22,304.42 : x
  2. Step 2: Convert to fraction form
    40,203.64/55,484.42 = 22,304.42/x
  3. Step 3: Cross multiply
    40,203.64x = 55,484.42 × 22,304.42
  4. Step 4: Simplify right side
    40,203.64x = 1,237,547,807.14
  5. Step 5: Solve for x
    x = 1,237,547,807.14/40,203.64
  6. Step 6: Final answer
    x = 30,781.98

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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.