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Finding the Fourth Proportional to 64,415.66, 96,630.12 and 22,295.68

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Solution

The fourth proportional to 64,415.66, 96,630.12 and 22,295.68 is: 33,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,415.66 : 96,630.12 = 22,295.68 : x
  2. Step 2: Convert to fraction form
    64,415.66/96,630.12 = 22,295.68/x
  3. Step 3: Cross multiply
    64,415.66x = 96,630.12 × 22,295.68
  4. Step 4: Simplify right side
    64,415.66x = 2,154,433,903.47
  5. Step 5: Solve for x
    x = 2,154,433,903.47/64,415.66
  6. Step 6: Final answer
    x = 33,445.81

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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.