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Finding the Fourth Proportional to 84,454.25, 116,552.28 and 48,643.49

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Solution

The fourth proportional to 84,454.25, 116,552.28 and 48,643.49 is: 67,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,454.25 : 116,552.28 = 48,643.49 : x
  2. Step 2: Convert to fraction form
    84,454.25/116,552.28 = 48,643.49/x
  3. Step 3: Cross multiply
    84,454.25x = 116,552.28 × 48,643.49
  4. Step 4: Simplify right side
    84,454.25x = 5,669,509,666.66
  5. Step 5: Solve for x
    x = 5,669,509,666.66/84,454.25
  6. Step 6: Final answer
    x = 67,131.14

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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.