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Finding the Fourth Proportional to 52,674.42, 72,695.64 and 28,804.60

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Solution

The fourth proportional to 52,674.42, 72,695.64 and 28,804.60 is: 39,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,674.42 : 72,695.64 = 28,804.60 : x
  2. Step 2: Convert to fraction form
    52,674.42/72,695.64 = 28,804.60/x
  3. Step 3: Cross multiply
    52,674.42x = 72,695.64 × 28,804.60
  4. Step 4: Simplify right side
    52,674.42x = 2,093,968,831.94
  5. Step 5: Solve for x
    x = 2,093,968,831.94/52,674.42
  6. Step 6: Final answer
    x = 39,753.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.