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Finding the Fourth Proportional to 46,751.56, 64,516.62 and 28,839.40

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Solution

The fourth proportional to 46,751.56, 64,516.62 and 28,839.40 is: 39,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,751.56 : 64,516.62 = 28,839.40 : x
  2. Step 2: Convert to fraction form
    46,751.56/64,516.62 = 28,839.40/x
  3. Step 3: Cross multiply
    46,751.56x = 64,516.62 × 28,839.40
  4. Step 4: Simplify right side
    46,751.56x = 1,860,620,610.83
  5. Step 5: Solve for x
    x = 1,860,620,610.83/46,751.56
  6. Step 6: Final answer
    x = 39,798.04

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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.