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Finding the Fourth Proportional to 77,387.88, 116,045.60 and 27,466.88

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Solution

The fourth proportional to 77,387.88, 116,045.60 and 27,466.88 is: 41,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,387.88 : 116,045.60 = 27,466.88 : x
  2. Step 2: Convert to fraction form
    77,387.88/116,045.60 = 27,466.88/x
  3. Step 3: Cross multiply
    77,387.88x = 116,045.60 × 27,466.88
  4. Step 4: Simplify right side
    77,387.88x = 3,187,409,852.17
  5. Step 5: Solve for x
    x = 3,187,409,852.17/77,387.88
  6. Step 6: Final answer
    x = 41,187.45

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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.