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Finding the Fourth Proportional to 64,455.84, 96,665.04 and 27,014.90

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Solution

The fourth proportional to 64,455.84, 96,665.04 and 27,014.90 is: 40,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,455.84 : 96,665.04 = 27,014.90 : x
  2. Step 2: Convert to fraction form
    64,455.84/96,665.04 = 27,014.90/x
  3. Step 3: Cross multiply
    64,455.84x = 96,665.04 × 27,014.90
  4. Step 4: Simplify right side
    64,455.84x = 2,611,395,905.77
  5. Step 5: Solve for x
    x = 2,611,395,905.77/64,455.84
  6. Step 6: Final answer
    x = 40,514.50

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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.