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Finding the Fourth Proportional to 61,858.17, 85,363.74 and 35,000.46

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Solution

The fourth proportional to 61,858.17, 85,363.74 and 35,000.46 is: 48,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,858.17 : 85,363.74 = 35,000.46 : x
  2. Step 2: Convert to fraction form
    61,858.17/85,363.74 = 35,000.46/x
  3. Step 3: Cross multiply
    61,858.17x = 85,363.74 × 35,000.46
  4. Step 4: Simplify right side
    61,858.17x = 2,987,770,167.32
  5. Step 5: Solve for x
    x = 2,987,770,167.32/61,858.17
  6. Step 6: Final answer
    x = 48,300.33

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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.