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Finding the Fourth Proportional to 39,627.76, 59,399.72 and 14,651.76

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Solution

The fourth proportional to 39,627.76, 59,399.72 and 14,651.76 is: 21,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,627.76 : 59,399.72 = 14,651.76 : x
  2. Step 2: Convert to fraction form
    39,627.76/59,399.72 = 14,651.76/x
  3. Step 3: Cross multiply
    39,627.76x = 59,399.72 × 14,651.76
  4. Step 4: Simplify right side
    39,627.76x = 870,310,441.51
  5. Step 5: Solve for x
    x = 870,310,441.51/39,627.76
  6. Step 6: Final answer
    x = 21,962.14

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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.