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Finding the Fourth Proportional to 66,533.44, 91,816.14 and 45,349.72

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Solution

The fourth proportional to 66,533.44, 91,816.14 and 45,349.72 is: 62,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533.44 : 91,816.14 = 45,349.72 : x
  2. Step 2: Convert to fraction form
    66,533.44/91,816.14 = 45,349.72/x
  3. Step 3: Cross multiply
    66,533.44x = 91,816.14 × 45,349.72
  4. Step 4: Simplify right side
    66,533.44x = 4,163,836,240.48
  5. Step 5: Solve for x
    x = 4,163,836,240.48/66,533.44
  6. Step 6: Final answer
    x = 62,582.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.