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Finding the Fourth Proportional to 64,303.92, 96,336 and 37,930.32

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Solution

The fourth proportional to 64,303.92, 96,336 and 37,930.32 is: 56,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,303.92 : 96,336 = 37,930.32 : x
  2. Step 2: Convert to fraction form
    64,303.92/96,336 = 37,930.32/x
  3. Step 3: Cross multiply
    64,303.92x = 96,336 × 37,930.32
  4. Step 4: Simplify right side
    64,303.92x = 3,654,055,307.52
  5. Step 5: Solve for x
    x = 3,654,055,307.52/64,303.92
  6. Step 6: Final answer
    x = 56,824.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.