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Finding the Fourth Proportional to 84,382.90, 116,470.73 and 52,532.89

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Solution

The fourth proportional to 84,382.90, 116,470.73 and 52,532.89 is: 72,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,382.90 : 116,470.73 = 52,532.89 : x
  2. Step 2: Convert to fraction form
    84,382.90/116,470.73 = 52,532.89/x
  3. Step 3: Cross multiply
    84,382.90x = 116,470.73 × 52,532.89
  4. Step 4: Simplify right side
    84,382.90x = 6,118,543,887.47
  5. Step 5: Solve for x
    x = 6,118,543,887.47/84,382.90
  6. Step 6: Final answer
    x = 72,509.29

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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.