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Finding the Fourth Proportional to 57,528, 79,392.96 and 32,376.96

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Solution

The fourth proportional to 57,528, 79,392.96 and 32,376.96 is: 44,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,528 : 79,392.96 = 32,376.96 : x
  2. Step 2: Convert to fraction form
    57,528/79,392.96 = 32,376.96/x
  3. Step 3: Cross multiply
    57,528x = 79,392.96 × 32,376.96
  4. Step 4: Simplify right side
    57,528x = 2,570,502,690.20
  5. Step 5: Solve for x
    x = 2,570,502,690.20/57,528
  6. Step 6: Final answer
    x = 44,682.64

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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.