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Finding the Fourth Proportional to 64,038.96, 95,980.62 and 45,324.44

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Solution

The fourth proportional to 64,038.96, 95,980.62 and 45,324.44 is: 67,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,038.96 : 95,980.62 = 45,324.44 : x
  2. Step 2: Convert to fraction form
    64,038.96/95,980.62 = 45,324.44/x
  3. Step 3: Cross multiply
    64,038.96x = 95,980.62 × 45,324.44
  4. Step 4: Simplify right side
    64,038.96x = 4,350,267,852.35
  5. Step 5: Solve for x
    x = 4,350,267,852.35/64,038.96
  6. Step 6: Final answer
    x = 67,931.58

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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.