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Finding the Fourth Proportional to 61,393.50, 92,090.28 and 27,620.07

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Solution

The fourth proportional to 61,393.50, 92,090.28 and 27,620.07 is: 41,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,393.50 : 92,090.28 = 27,620.07 : x
  2. Step 2: Convert to fraction form
    61,393.50/92,090.28 = 27,620.07/x
  3. Step 3: Cross multiply
    61,393.50x = 92,090.28 × 27,620.07
  4. Step 4: Simplify right side
    61,393.50x = 2,543,539,979.92
  5. Step 5: Solve for x
    x = 2,543,539,979.92/61,393.50
  6. Step 6: Final answer
    x = 41,430.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.