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Finding the Fourth Proportional to 73,614.51, 101,585.81 and 40,908.81

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Solution

The fourth proportional to 73,614.51, 101,585.81 and 40,908.81 is: 56,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,614.51 : 101,585.81 = 40,908.81 : x
  2. Step 2: Convert to fraction form
    73,614.51/101,585.81 = 40,908.81/x
  3. Step 3: Cross multiply
    73,614.51x = 101,585.81 × 40,908.81
  4. Step 4: Simplify right side
    73,614.51x = 4,155,754,599.99
  5. Step 5: Solve for x
    x = 4,155,754,599.99/73,614.51
  6. Step 6: Final answer
    x = 56,452.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.