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Finding the Fourth Proportional to 57,599, 79,513.26 and 40,617.08

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Solution

The fourth proportional to 57,599, 79,513.26 and 40,617.08 is: 56,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,599 : 79,513.26 = 40,617.08 : x
  2. Step 2: Convert to fraction form
    57,599/79,513.26 = 40,617.08/x
  3. Step 3: Cross multiply
    57,599x = 79,513.26 × 40,617.08
  4. Step 4: Simplify right side
    57,599x = 3,229,596,442.48
  5. Step 5: Solve for x
    x = 3,229,596,442.48/57,599
  6. Step 6: Final answer
    x = 56,070.36

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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.