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Finding the Fourth Proportional to 64,458.60, 96,611.10 and 27,018.60

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Solution

The fourth proportional to 64,458.60, 96,611.10 and 27,018.60 is: 40,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.60 : 96,611.10 = 27,018.60 : x
  2. Step 2: Convert to fraction form
    64,458.60/96,611.10 = 27,018.60/x
  3. Step 3: Cross multiply
    64,458.60x = 96,611.10 × 27,018.60
  4. Step 4: Simplify right side
    64,458.60x = 2,610,296,666.46
  5. Step 5: Solve for x
    x = 2,610,296,666.46/64,458.60
  6. Step 6: Final answer
    x = 40,495.71

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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.