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Finding the Fourth Proportional to 64,087.94, 96,115.70 and 19,098.92

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Solution

The fourth proportional to 64,087.94, 96,115.70 and 19,098.92 is: 28,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,087.94 : 96,115.70 = 19,098.92 : x
  2. Step 2: Convert to fraction form
    64,087.94/96,115.70 = 19,098.92/x
  3. Step 3: Cross multiply
    64,087.94x = 96,115.70 × 19,098.92
  4. Step 4: Simplify right side
    64,087.94x = 1,835,705,632.21
  5. Step 5: Solve for x
    x = 1,835,705,632.21/64,087.94
  6. Step 6: Final answer
    x = 28,643.54

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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.