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Finding the Fourth Proportional to 46,354.58, 69,531.84 and 43,988.00

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Solution

The fourth proportional to 46,354.58, 69,531.84 and 43,988.00 is: 65,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,354.58 : 69,531.84 = 43,988.00 : x
  2. Step 2: Convert to fraction form
    46,354.58/69,531.84 = 43,988.00/x
  3. Step 3: Cross multiply
    46,354.58x = 69,531.84 × 43,988.00
  4. Step 4: Simplify right side
    46,354.58x = 3,058,566,621.38
  5. Step 5: Solve for x
    x = 3,058,566,621.38/46,354.58
  6. Step 6: Final answer
    x = 65,981.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.