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Finding the Fourth Proportional to 46,728.18, 64,484.88 and 26,589

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Solution

The fourth proportional to 46,728.18, 64,484.88 and 26,589 is: 36,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,728.18 : 64,484.88 = 26,589 : x
  2. Step 2: Convert to fraction form
    46,728.18/64,484.88 = 26,589/x
  3. Step 3: Cross multiply
    46,728.18x = 64,484.88 × 26,589
  4. Step 4: Simplify right side
    46,728.18x = 1,714,588,474.32
  5. Step 5: Solve for x
    x = 1,714,588,474.32/46,728.18
  6. Step 6: Final answer
    x = 36,692.82

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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.