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Finding the Fourth Proportional to 64,238.32, 96,455.40 and 61,070.32

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Solution

The fourth proportional to 64,238.32, 96,455.40 and 61,070.32 is: 91,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,238.32 : 96,455.40 = 61,070.32 : x
  2. Step 2: Convert to fraction form
    64,238.32/96,455.40 = 61,070.32/x
  3. Step 3: Cross multiply
    64,238.32x = 96,455.40 × 61,070.32
  4. Step 4: Simplify right side
    64,238.32x = 5,890,562,143.73
  5. Step 5: Solve for x
    x = 5,890,562,143.73/64,238.32
  6. Step 6: Final answer
    x = 91,698.57

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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.