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Finding the Fourth Proportional to 57,700.58, 86,394.47 and 29,940.26

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Solution

The fourth proportional to 57,700.58, 86,394.47 and 29,940.26 is: 44,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700.58 : 86,394.47 = 29,940.26 : x
  2. Step 2: Convert to fraction form
    57,700.58/86,394.47 = 29,940.26/x
  3. Step 3: Cross multiply
    57,700.58x = 86,394.47 × 29,940.26
  4. Step 4: Simplify right side
    57,700.58x = 2,586,672,312.69
  5. Step 5: Solve for x
    x = 2,586,672,312.69/57,700.58
  6. Step 6: Final answer
    x = 44,829.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.