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Finding the Fourth Proportional to 61,699.23, 85,145.04 and 33,404.94

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Solution

The fourth proportional to 61,699.23, 85,145.04 and 33,404.94 is: 46,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,699.23 : 85,145.04 = 33,404.94 : x
  2. Step 2: Convert to fraction form
    61,699.23/85,145.04 = 33,404.94/x
  3. Step 3: Cross multiply
    61,699.23x = 85,145.04 × 33,404.94
  4. Step 4: Simplify right side
    61,699.23x = 2,844,264,952.50
  5. Step 5: Solve for x
    x = 2,844,264,952.50/61,699.23
  6. Step 6: Final answer
    x = 46,098.87

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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.