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Finding the Fourth Proportional to 91,077.62, 136,625.54 and 27,897.01

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Solution

The fourth proportional to 91,077.62, 136,625.54 and 27,897.01 is: 41,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,077.62 : 136,625.54 = 27,897.01 : x
  2. Step 2: Convert to fraction form
    91,077.62/136,625.54 = 27,897.01/x
  3. Step 3: Cross multiply
    91,077.62x = 136,625.54 × 27,897.01
  4. Step 4: Simplify right side
    91,077.62x = 3,811,444,055.64
  5. Step 5: Solve for x
    x = 3,811,444,055.64/91,077.62
  6. Step 6: Final answer
    x = 41,848.31

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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.