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Finding the Fourth Proportional to 4,985.89, 6,875.45 and 3,493.33

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Solution

The fourth proportional to 4,985.89, 6,875.45 and 3,493.33 is: 4,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.89 : 6,875.45 = 3,493.33 : x
  2. Step 2: Convert to fraction form
    4,985.89/6,875.45 = 3,493.33/x
  3. Step 3: Cross multiply
    4,985.89x = 6,875.45 × 3,493.33
  4. Step 4: Simplify right side
    4,985.89x = 24,018,198.28
  5. Step 5: Solve for x
    x = 24,018,198.28/4,985.89
  6. Step 6: Final answer
    x = 4,817.23

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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.