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Finding the Fourth Proportional to 59,245.40, 88,892.40 and 21,823.40

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Solution

The fourth proportional to 59,245.40, 88,892.40 and 21,823.40 is: 32,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,245.40 : 88,892.40 = 21,823.40 : x
  2. Step 2: Convert to fraction form
    59,245.40/88,892.40 = 21,823.40/x
  3. Step 3: Cross multiply
    59,245.40x = 88,892.40 × 21,823.40
  4. Step 4: Simplify right side
    59,245.40x = 1,939,934,402.16
  5. Step 5: Solve for x
    x = 1,939,934,402.16/59,245.40
  6. Step 6: Final answer
    x = 32,744.05

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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.