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Finding the Fourth Proportional to 64,172.63, 95,788.91 and 56,597.48

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Solution

The fourth proportional to 64,172.63, 95,788.91 and 56,597.48 is: 84,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,172.63 : 95,788.91 = 56,597.48 : x
  2. Step 2: Convert to fraction form
    64,172.63/95,788.91 = 56,597.48/x
  3. Step 3: Cross multiply
    64,172.63x = 95,788.91 × 56,597.48
  4. Step 4: Simplify right side
    64,172.63x = 5,421,410,156.01
  5. Step 5: Solve for x
    x = 5,421,410,156.01/64,172.63
  6. Step 6: Final answer
    x = 84,481.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.