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Finding the Fourth Proportional to 40,494.04, 60,741.06 and 20,760.01

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Solution

The fourth proportional to 40,494.04, 60,741.06 and 20,760.01 is: 31,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,494.04 : 60,741.06 = 20,760.01 : x
  2. Step 2: Convert to fraction form
    40,494.04/60,741.06 = 20,760.01/x
  3. Step 3: Cross multiply
    40,494.04x = 60,741.06 × 20,760.01
  4. Step 4: Simplify right side
    40,494.04x = 1,260,984,605.51
  5. Step 5: Solve for x
    x = 1,260,984,605.51/40,494.04
  6. Step 6: Final answer
    x = 31,140.01

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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.