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Finding the Fourth Proportional to 54,354.55, 74,991.34 and 32,836.24

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Solution

The fourth proportional to 54,354.55, 74,991.34 and 32,836.24 is: 45,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.55 : 74,991.34 = 32,836.24 : x
  2. Step 2: Convert to fraction form
    54,354.55/74,991.34 = 32,836.24/x
  3. Step 3: Cross multiply
    54,354.55x = 74,991.34 × 32,836.24
  4. Step 4: Simplify right side
    54,354.55x = 2,462,433,638.16
  5. Step 5: Solve for x
    x = 2,462,433,638.16/54,354.55
  6. Step 6: Final answer
    x = 45,303.17

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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.