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Finding the Fourth Proportional to 57,588, 79,498.08 and 40,606.08

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Solution

The fourth proportional to 57,588, 79,498.08 and 40,606.08 is: 56,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,588 : 79,498.08 = 40,606.08 : x
  2. Step 2: Convert to fraction form
    57,588/79,498.08 = 40,606.08/x
  3. Step 3: Cross multiply
    57,588x = 79,498.08 × 40,606.08
  4. Step 4: Simplify right side
    57,588x = 3,228,105,396.33
  5. Step 5: Solve for x
    x = 3,228,105,396.33/57,588
  6. Step 6: Final answer
    x = 56,055.17

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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.