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Finding the Fourth Proportional to 40,448.93, 60,700.72 and 14,153.90

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Solution

The fourth proportional to 40,448.93, 60,700.72 and 14,153.90 is: 21,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,448.93 : 60,700.72 = 14,153.90 : x
  2. Step 2: Convert to fraction form
    40,448.93/60,700.72 = 14,153.90/x
  3. Step 3: Cross multiply
    40,448.93x = 60,700.72 × 14,153.90
  4. Step 4: Simplify right side
    40,448.93x = 859,151,635.00
  5. Step 5: Solve for x
    x = 859,151,635.00/40,448.93
  6. Step 6: Final answer
    x = 21,240.41

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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.