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Finding the Fourth Proportional to 57,852.47, 86,736.78 and 39,085.58

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Solution

The fourth proportional to 57,852.47, 86,736.78 and 39,085.58 is: 58,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,852.47 : 86,736.78 = 39,085.58 : x
  2. Step 2: Convert to fraction form
    57,852.47/86,736.78 = 39,085.58/x
  3. Step 3: Cross multiply
    57,852.47x = 86,736.78 × 39,085.58
  4. Step 4: Simplify right side
    57,852.47x = 3,390,157,570.47
  5. Step 5: Solve for x
    x = 3,390,157,570.47/57,852.47
  6. Step 6: Final answer
    x = 58,600.05

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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.