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Finding the Fourth Proportional to 60,062.50, 90,093.75 and 18,509.50

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Solution

The fourth proportional to 60,062.50, 90,093.75 and 18,509.50 is: 27,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,062.50 : 90,093.75 = 18,509.50 : x
  2. Step 2: Convert to fraction form
    60,062.50/90,093.75 = 18,509.50/x
  3. Step 3: Cross multiply
    60,062.50x = 90,093.75 × 18,509.50
  4. Step 4: Simplify right side
    60,062.50x = 1,667,590,265.63
  5. Step 5: Solve for x
    x = 1,667,590,265.63/60,062.50
  6. Step 6: Final answer
    x = 27,764.25

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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.