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Finding the Fourth Proportional to 72,897.55, 109,379.64 and 32,927.22

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Solution

The fourth proportional to 72,897.55, 109,379.64 and 32,927.22 is: 49,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,897.55 : 109,379.64 = 32,927.22 : x
  2. Step 2: Convert to fraction form
    72,897.55/109,379.64 = 32,927.22/x
  3. Step 3: Cross multiply
    72,897.55x = 109,379.64 × 32,927.22
  4. Step 4: Simplify right side
    72,897.55x = 3,601,567,552.12
  5. Step 5: Solve for x
    x = 3,601,567,552.12/72,897.55
  6. Step 6: Final answer
    x = 49,405.88

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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.