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Finding the Fourth Proportional to 40,484.81, 55,866.51 and 22,580.98

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Solution

The fourth proportional to 40,484.81, 55,866.51 and 22,580.98 is: 31,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,484.81 : 55,866.51 = 22,580.98 : x
  2. Step 2: Convert to fraction form
    40,484.81/55,866.51 = 22,580.98/x
  3. Step 3: Cross multiply
    40,484.81x = 55,866.51 × 22,580.98
  4. Step 4: Simplify right side
    40,484.81x = 1,261,520,405.31
  5. Step 5: Solve for x
    x = 1,261,520,405.31/40,484.81
  6. Step 6: Final answer
    x = 31,160.34

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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.