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Finding the Fourth Proportional to 39,210.30, 58,822.02 and 14,251.68

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Solution

The fourth proportional to 39,210.30, 58,822.02 and 14,251.68 is: 21,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.30 : 58,822.02 = 14,251.68 : x
  2. Step 2: Convert to fraction form
    39,210.30/58,822.02 = 14,251.68/x
  3. Step 3: Cross multiply
    39,210.30x = 58,822.02 × 14,251.68
  4. Step 4: Simplify right side
    39,210.30x = 838,312,605.99
  5. Step 5: Solve for x
    x = 838,312,605.99/39,210.30
  6. Step 6: Final answer
    x = 21,379.91

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1.5x scale

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.