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Finding the Fourth Proportional to 59,652, 89,478.72 and 26,820

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Solution

The fourth proportional to 59,652, 89,478.72 and 26,820 is: 40,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,652 : 89,478.72 = 26,820 : x
  2. Step 2: Convert to fraction form
    59,652/89,478.72 = 26,820/x
  3. Step 3: Cross multiply
    59,652x = 89,478.72 × 26,820
  4. Step 4: Simplify right side
    59,652x = 2,399,819,270.40
  5. Step 5: Solve for x
    x = 2,399,819,270.40/59,652
  6. Step 6: Final answer
    x = 40,230.32

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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.