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Finding the Fourth Proportional to 54,401.60, 81,602.40 and 37,726.40

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Solution

The fourth proportional to 54,401.60, 81,602.40 and 37,726.40 is: 56,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.60 : 81,602.40 = 37,726.40 : x
  2. Step 2: Convert to fraction form
    54,401.60/81,602.40 = 37,726.40/x
  3. Step 3: Cross multiply
    54,401.60x = 81,602.40 × 37,726.40
  4. Step 4: Simplify right side
    54,401.60x = 3,078,564,783.36
  5. Step 5: Solve for x
    x = 3,078,564,783.36/54,401.60
  6. Step 6: Final answer
    x = 56,589.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.