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Finding the Fourth Proportional to 64,408.44, 88,888.80 and 35,730.93

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Solution

The fourth proportional to 64,408.44, 88,888.80 and 35,730.93 is: 49,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,408.44 : 88,888.80 = 35,730.93 : x
  2. Step 2: Convert to fraction form
    64,408.44/88,888.80 = 35,730.93/x
  3. Step 3: Cross multiply
    64,408.44x = 88,888.80 × 35,730.93
  4. Step 4: Simplify right side
    64,408.44x = 3,176,079,490.58
  5. Step 5: Solve for x
    x = 3,176,079,490.58/64,408.44
  6. Step 6: Final answer
    x = 49,311.54

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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.