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Finding the Fourth Proportional to 49,207, 67,903.68 and 29,070.34

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Solution

The fourth proportional to 49,207, 67,903.68 and 29,070.34 is: 40,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,207 : 67,903.68 = 29,070.34 : x
  2. Step 2: Convert to fraction form
    49,207/67,903.68 = 29,070.34/x
  3. Step 3: Cross multiply
    49,207x = 67,903.68 × 29,070.34
  4. Step 4: Simplify right side
    49,207x = 1,973,983,064.85
  5. Step 5: Solve for x
    x = 1,973,983,064.85/49,207
  6. Step 6: Final answer
    x = 40,115.90

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1.5x scale

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.