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Finding the Fourth Proportional to 48,237.66, 72,346.77 and 14,949.77

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Solution

The fourth proportional to 48,237.66, 72,346.77 and 14,949.77 is: 22,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,237.66 : 72,346.77 = 14,949.77 : x
  2. Step 2: Convert to fraction form
    48,237.66/72,346.77 = 14,949.77/x
  3. Step 3: Cross multiply
    48,237.66x = 72,346.77 × 14,949.77
  4. Step 4: Simplify right side
    48,237.66x = 1,081,567,210.01
  5. Step 5: Solve for x
    x = 1,081,567,210.01/48,237.66
  6. Step 6: Final answer
    x = 22,421.64

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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.