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Finding the Fourth Proportional to 46,773.65, 64,543.43 and 28,874.48

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Solution

The fourth proportional to 46,773.65, 64,543.43 and 28,874.48 is: 39,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,773.65 : 64,543.43 = 28,874.48 : x
  2. Step 2: Convert to fraction form
    46,773.65/64,543.43 = 28,874.48/x
  3. Step 3: Cross multiply
    46,773.65x = 64,543.43 × 28,874.48
  4. Step 4: Simplify right side
    46,773.65x = 1,863,657,728.14
  5. Step 5: Solve for x
    x = 1,863,657,728.14/46,773.65
  6. Step 6: Final answer
    x = 39,844.18

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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.