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Finding the Fourth Proportional to 32,582.32, 45,000.44 and 21,953.50

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Solution

The fourth proportional to 32,582.32, 45,000.44 and 21,953.50 is: 30,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,582.32 : 45,000.44 = 21,953.50 : x
  2. Step 2: Convert to fraction form
    32,582.32/45,000.44 = 21,953.50/x
  3. Step 3: Cross multiply
    32,582.32x = 45,000.44 × 21,953.50
  4. Step 4: Simplify right side
    32,582.32x = 987,917,159.54
  5. Step 5: Solve for x
    x = 987,917,159.54/32,582.32
  6. Step 6: Final answer
    x = 30,320.65

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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.