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Finding the Fourth Proportional to 64,260.42, 96,366.69 and 22,128.78

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Solution

The fourth proportional to 64,260.42, 96,366.69 and 22,128.78 is: 33,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,260.42 : 96,366.69 = 22,128.78 : x
  2. Step 2: Convert to fraction form
    64,260.42/96,366.69 = 22,128.78/x
  3. Step 3: Cross multiply
    64,260.42x = 96,366.69 × 22,128.78
  4. Step 4: Simplify right side
    64,260.42x = 2,132,477,282.34
  5. Step 5: Solve for x
    x = 2,132,477,282.34/64,260.42
  6. Step 6: Final answer
    x = 33,184.93

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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.