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Finding the Fourth Proportional to 84,491.27, 116,603.59 and 48,683.60

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Solution

The fourth proportional to 84,491.27, 116,603.59 and 48,683.60 is: 67,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,491.27 : 116,603.59 = 48,683.60 : x
  2. Step 2: Convert to fraction form
    84,491.27/116,603.59 = 48,683.60/x
  3. Step 3: Cross multiply
    84,491.27x = 116,603.59 × 48,683.60
  4. Step 4: Simplify right side
    84,491.27x = 5,676,681,951.11
  5. Step 5: Solve for x
    x = 5,676,681,951.11/84,491.27
  6. Step 6: Final answer
    x = 67,186.61

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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.