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Finding the Fourth Proportional to 66,287.64, 99,359.28 and 33,032.28

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Solution

The fourth proportional to 66,287.64, 99,359.28 and 33,032.28 is: 49,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,287.64 : 99,359.28 = 33,032.28 : x
  2. Step 2: Convert to fraction form
    66,287.64/99,359.28 = 33,032.28/x
  3. Step 3: Cross multiply
    66,287.64x = 99,359.28 × 33,032.28
  4. Step 4: Simplify right side
    66,287.64x = 3,282,063,557.56
  5. Step 5: Solve for x
    x = 3,282,063,557.56/66,287.64
  6. Step 6: Final answer
    x = 49,512.45

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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.