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Finding the Fourth Proportional to 45,847.65, 64,230.45 and 45,847.65

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Solution

The fourth proportional to 45,847.65, 64,230.45 and 45,847.65 is: 64,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,847.65 : 64,230.45 = 45,847.65 : x
  2. Step 2: Convert to fraction form
    45,847.65/64,230.45 = 45,847.65/x
  3. Step 3: Cross multiply
    45,847.65x = 64,230.45 × 45,847.65
  4. Step 4: Simplify right side
    45,847.65x = 2,944,815,190.94
  5. Step 5: Solve for x
    x = 2,944,815,190.94/45,847.65
  6. Step 6: Final answer
    x = 64,230.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.