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Finding the Fourth Proportional to 27,099.71, 37,402.02 and 18,594.81

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Solution

The fourth proportional to 27,099.71, 37,402.02 and 18,594.81 is: 25,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.71 : 37,402.02 = 18,594.81 : x
  2. Step 2: Convert to fraction form
    27,099.71/37,402.02 = 18,594.81/x
  3. Step 3: Cross multiply
    27,099.71x = 37,402.02 × 18,594.81
  4. Step 4: Simplify right side
    27,099.71x = 695,483,268.51
  5. Step 5: Solve for x
    x = 695,483,268.51/27,099.71
  6. Step 6: Final answer
    x = 25,663.87

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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.