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Finding the Fourth Proportional to 64,771.82, 97,147.14 and 45,995.06

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Solution

The fourth proportional to 64,771.82, 97,147.14 and 45,995.06 is: 68,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,771.82 : 97,147.14 = 45,995.06 : x
  2. Step 2: Convert to fraction form
    64,771.82/97,147.14 = 45,995.06/x
  3. Step 3: Cross multiply
    64,771.82x = 97,147.14 × 45,995.06
  4. Step 4: Simplify right side
    64,771.82x = 4,468,288,411.69
  5. Step 5: Solve for x
    x = 4,468,288,411.69/64,771.82
  6. Step 6: Final answer
    x = 68,985.07

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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.