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Finding the Fourth Proportional to 50,897.78, 70,245.01 and 29,392.77

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Solution

The fourth proportional to 50,897.78, 70,245.01 and 29,392.77 is: 40,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,897.78 : 70,245.01 = 29,392.77 : x
  2. Step 2: Convert to fraction form
    50,897.78/70,245.01 = 29,392.77/x
  3. Step 3: Cross multiply
    50,897.78x = 70,245.01 × 29,392.77
  4. Step 4: Simplify right side
    50,897.78x = 2,064,695,557.40
  5. Step 5: Solve for x
    x = 2,064,695,557.40/50,897.78
  6. Step 6: Final answer
    x = 40,565.53

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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.