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Finding the Fourth Proportional to 46,479, 70,133.90 and 46,479

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Solution

The fourth proportional to 46,479, 70,133.90 and 46,479 is: 70,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,479 : 70,133.90 = 46,479 : x
  2. Step 2: Convert to fraction form
    46,479/70,133.90 = 46,479/x
  3. Step 3: Cross multiply
    46,479x = 70,133.90 × 46,479
  4. Step 4: Simplify right side
    46,479x = 3,259,753,538.10
  5. Step 5: Solve for x
    x = 3,259,753,538.10/46,479
  6. Step 6: Final answer
    x = 70,133.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.