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Finding the Fourth Proportional to 66,359.49, 99,468.18 and 33,007.74

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Solution

The fourth proportional to 66,359.49, 99,468.18 and 33,007.74 is: 49,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,359.49 : 99,468.18 = 33,007.74 : x
  2. Step 2: Convert to fraction form
    66,359.49/99,468.18 = 33,007.74/x
  3. Step 3: Cross multiply
    66,359.49x = 99,468.18 × 33,007.74
  4. Step 4: Simplify right side
    66,359.49x = 3,283,219,823.71
  5. Step 5: Solve for x
    x = 3,283,219,823.71/66,359.49
  6. Step 6: Final answer
    x = 49,476.27

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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.