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Finding the Fourth Proportional to 85,832.80, 118,448.02 and 47,592.41

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Solution

The fourth proportional to 85,832.80, 118,448.02 and 47,592.41 is: 65,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,832.80 : 118,448.02 = 47,592.41 : x
  2. Step 2: Convert to fraction form
    85,832.80/118,448.02 = 47,592.41/x
  3. Step 3: Cross multiply
    85,832.80x = 118,448.02 × 47,592.41
  4. Step 4: Simplify right side
    85,832.80x = 5,637,226,908.67
  5. Step 5: Solve for x
    x = 5,637,226,908.67/85,832.80
  6. Step 6: Final answer
    x = 65,676.84

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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.