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Finding the Fourth Proportional to 57,594, 79,506.36 and 40,612.08

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Solution

The fourth proportional to 57,594, 79,506.36 and 40,612.08 is: 56,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,594 : 79,506.36 = 40,612.08 : x
  2. Step 2: Convert to fraction form
    57,594/79,506.36 = 40,612.08/x
  3. Step 3: Cross multiply
    57,594x = 79,506.36 × 40,612.08
  4. Step 4: Simplify right side
    57,594x = 3,228,918,652.83
  5. Step 5: Solve for x
    x = 3,228,918,652.83/57,594
  6. Step 6: Final answer
    x = 56,063.46

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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.