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Finding the Fourth Proportional to 58,092.94, 79,646.11 and 57,043.18

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Solution

The fourth proportional to 58,092.94, 79,646.11 and 57,043.18 is: 78,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,092.94 : 79,646.11 = 57,043.18 : x
  2. Step 2: Convert to fraction form
    58,092.94/79,646.11 = 57,043.18/x
  3. Step 3: Cross multiply
    58,092.94x = 79,646.11 × 57,043.18
  4. Step 4: Simplify right side
    58,092.94x = 4,543,267,389.03
  5. Step 5: Solve for x
    x = 4,543,267,389.03/58,092.94
  6. Step 6: Final answer
    x = 78,206.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.