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Finding the Fourth Proportional to 64,998.24, 89,696.88 and 36,702.24

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Solution

The fourth proportional to 64,998.24, 89,696.88 and 36,702.24 is: 50,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,998.24 : 89,696.88 = 36,702.24 : x
  2. Step 2: Convert to fraction form
    64,998.24/89,696.88 = 36,702.24/x
  3. Step 3: Cross multiply
    64,998.24x = 89,696.88 × 36,702.24
  4. Step 4: Simplify right side
    64,998.24x = 3,292,076,417.01
  5. Step 5: Solve for x
    x = 3,292,076,417.01/64,998.24
  6. Step 6: Final answer
    x = 50,648.70

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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.