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Finding the Fourth Proportional to 64,303.74, 88,612.79 and 49,213.44

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Solution

The fourth proportional to 64,303.74, 88,612.79 and 49,213.44 is: 67,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,303.74 : 88,612.79 = 49,213.44 : x
  2. Step 2: Convert to fraction form
    64,303.74/88,612.79 = 49,213.44/x
  3. Step 3: Cross multiply
    64,303.74x = 88,612.79 × 49,213.44
  4. Step 4: Simplify right side
    64,303.74x = 4,360,939,977.83
  5. Step 5: Solve for x
    x = 4,360,939,977.83/64,303.74
  6. Step 6: Final answer
    x = 67,817.83

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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.