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Finding the Fourth Proportional to 73,125.61, 109,745.62 and 37,585.50

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Solution

The fourth proportional to 73,125.61, 109,745.62 and 37,585.50 is: 56,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,125.61 : 109,745.62 = 37,585.50 : x
  2. Step 2: Convert to fraction form
    73,125.61/109,745.62 = 37,585.50/x
  3. Step 3: Cross multiply
    73,125.61x = 109,745.62 × 37,585.50
  4. Step 4: Simplify right side
    73,125.61x = 4,124,843,649.33
  5. Step 5: Solve for x
    x = 4,124,843,649.33/73,125.61
  6. Step 6: Final answer
    x = 56,407.64

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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.