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Finding the Fourth Proportional to 62,859.88, 86,746.44 and 37,383.76

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Solution

The fourth proportional to 62,859.88, 86,746.44 and 37,383.76 is: 51,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,859.88 : 86,746.44 = 37,383.76 : x
  2. Step 2: Convert to fraction form
    62,859.88/86,746.44 = 37,383.76/x
  3. Step 3: Cross multiply
    62,859.88x = 86,746.44 × 37,383.76
  4. Step 4: Simplify right side
    62,859.88x = 3,242,908,093.81
  5. Step 5: Solve for x
    x = 3,242,908,093.81/62,859.88
  6. Step 6: Final answer
    x = 51,589.47

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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.