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Finding the Fourth Proportional to 59,349.69, 81,940.77 and 52,965.30

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Solution

The fourth proportional to 59,349.69, 81,940.77 and 52,965.30 is: 73,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,349.69 : 81,940.77 = 52,965.30 : x
  2. Step 2: Convert to fraction form
    59,349.69/81,940.77 = 52,965.30/x
  3. Step 3: Cross multiply
    59,349.69x = 81,940.77 × 52,965.30
  4. Step 4: Simplify right side
    59,349.69x = 4,340,017,465.28
  5. Step 5: Solve for x
    x = 4,340,017,465.28/59,349.69
  6. Step 6: Final answer
    x = 73,126.20

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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.