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Finding the Fourth Proportional to 62,653.50, 93,971.16 and 18,268.38

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Solution

The fourth proportional to 62,653.50, 93,971.16 and 18,268.38 is: 27,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,653.50 : 93,971.16 = 18,268.38 : x
  2. Step 2: Convert to fraction form
    62,653.50/93,971.16 = 18,268.38/x
  3. Step 3: Cross multiply
    62,653.50x = 93,971.16 × 18,268.38
  4. Step 4: Simplify right side
    62,653.50x = 1,716,700,859.92
  5. Step 5: Solve for x
    x = 1,716,700,859.92/62,653.50
  6. Step 6: Final answer
    x = 27,399.92

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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.