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Finding the Fourth Proportional to 46,963.80, 64,808.64 and 25,742.34

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Solution

The fourth proportional to 46,963.80, 64,808.64 and 25,742.34 is: 35,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,963.80 : 64,808.64 = 25,742.34 : x
  2. Step 2: Convert to fraction form
    46,963.80/64,808.64 = 25,742.34/x
  3. Step 3: Cross multiply
    46,963.80x = 64,808.64 × 25,742.34
  4. Step 4: Simplify right side
    46,963.80x = 1,668,326,045.82
  5. Step 5: Solve for x
    x = 1,668,326,045.82/46,963.80
  6. Step 6: Final answer
    x = 35,523.66

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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.