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Finding the Fourth Proportional to 64,228.71, 96,362.52 and 45,544.86

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Solution

The fourth proportional to 64,228.71, 96,362.52 and 45,544.86 is: 68,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,228.71 : 96,362.52 = 45,544.86 : x
  2. Step 2: Convert to fraction form
    64,228.71/96,362.52 = 45,544.86/x
  3. Step 3: Cross multiply
    64,228.71x = 96,362.52 × 45,544.86
  4. Step 4: Simplify right side
    64,228.71x = 4,388,817,482.65
  5. Step 5: Solve for x
    x = 4,388,817,482.65/64,228.71
  6. Step 6: Final answer
    x = 68,331.09

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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.