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Finding the Fourth Proportional to 72,967.86, 109,254.39 and 37,833.66

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Solution

The fourth proportional to 72,967.86, 109,254.39 and 37,833.66 is: 56,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,967.86 : 109,254.39 = 37,833.66 : x
  2. Step 2: Convert to fraction form
    72,967.86/109,254.39 = 37,833.66/x
  3. Step 3: Cross multiply
    72,967.86x = 109,254.39 × 37,833.66
  4. Step 4: Simplify right side
    72,967.86x = 4,133,493,444.77
  5. Step 5: Solve for x
    x = 4,133,493,444.77/72,967.86
  6. Step 6: Final answer
    x = 56,648.14

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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.