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Finding the Fourth Proportional to 77,253.59, 115,955.30 and 37,300.74

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Solution

The fourth proportional to 77,253.59, 115,955.30 and 37,300.74 is: 55,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253.59 : 115,955.30 = 37,300.74 : x
  2. Step 2: Convert to fraction form
    77,253.59/115,955.30 = 37,300.74/x
  3. Step 3: Cross multiply
    77,253.59x = 115,955.30 × 37,300.74
  4. Step 4: Simplify right side
    77,253.59x = 4,325,218,496.92
  5. Step 5: Solve for x
    x = 4,325,218,496.92/77,253.59
  6. Step 6: Final answer
    x = 55,987.28

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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.