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Finding the Fourth Proportional to 64,817.64, 89,468.10 and 37,600.59

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Solution

The fourth proportional to 64,817.64, 89,468.10 and 37,600.59 is: 51,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,817.64 : 89,468.10 = 37,600.59 : x
  2. Step 2: Convert to fraction form
    64,817.64/89,468.10 = 37,600.59/x
  3. Step 3: Cross multiply
    64,817.64x = 89,468.10 × 37,600.59
  4. Step 4: Simplify right side
    64,817.64x = 3,364,053,346.18
  5. Step 5: Solve for x
    x = 3,364,053,346.18/64,817.64
  6. Step 6: Final answer
    x = 51,900.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.