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Finding the Fourth Proportional to 64,510.60, 96,636.30 and 36,776.20

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Solution

The fourth proportional to 64,510.60, 96,636.30 and 36,776.20 is: 55,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,510.60 : 96,636.30 = 36,776.20 : x
  2. Step 2: Convert to fraction form
    64,510.60/96,636.30 = 36,776.20/x
  3. Step 3: Cross multiply
    64,510.60x = 96,636.30 × 36,776.20
  4. Step 4: Simplify right side
    64,510.60x = 3,553,915,896.06
  5. Step 5: Solve for x
    x = 3,553,915,896.06/64,510.60
  6. Step 6: Final answer
    x = 55,090.42

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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.