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Finding the Fourth Proportional to 37,720.96, 52,068.96 and 32,394.40

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Solution

The fourth proportional to 37,720.96, 52,068.96 and 32,394.40 is: 44,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720.96 : 52,068.96 = 32,394.40 : x
  2. Step 2: Convert to fraction form
    37,720.96/52,068.96 = 32,394.40/x
  3. Step 3: Cross multiply
    37,720.96x = 52,068.96 × 32,394.40
  4. Step 4: Simplify right side
    37,720.96x = 1,686,742,717.82
  5. Step 5: Solve for x
    x = 1,686,742,717.82/37,720.96
  6. Step 6: Final answer
    x = 44,716.33

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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.