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Finding the Fourth Proportional to 40,461.46, 55,836.02 and 22,555.40

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Solution

The fourth proportional to 40,461.46, 55,836.02 and 22,555.40 is: 31,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,461.46 : 55,836.02 = 22,555.40 : x
  2. Step 2: Convert to fraction form
    40,461.46/55,836.02 = 22,555.40/x
  3. Step 3: Cross multiply
    40,461.46x = 55,836.02 × 22,555.40
  4. Step 4: Simplify right side
    40,461.46x = 1,259,403,765.51
  5. Step 5: Solve for x
    x = 1,259,403,765.51/40,461.46
  6. Step 6: Final answer
    x = 31,126.01

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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.