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Finding the Fourth Proportional to 17,124.49, 25,683.49 and 5,437.81

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Solution

The fourth proportional to 17,124.49, 25,683.49 and 5,437.81 is: 8,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,124.49 : 25,683.49 = 5,437.81 : x
  2. Step 2: Convert to fraction form
    17,124.49/25,683.49 = 5,437.81/x
  3. Step 3: Cross multiply
    17,124.49x = 25,683.49 × 5,437.81
  4. Step 4: Simplify right side
    17,124.49x = 139,661,938.76
  5. Step 5: Solve for x
    x = 139,661,938.76/17,124.49
  6. Step 6: Final answer
    x = 8,155.68

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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.