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Finding the Fourth Proportional to 66,633.69, 91,948.16 and 36,417.11

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Solution

The fourth proportional to 66,633.69, 91,948.16 and 36,417.11 is: 50,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,633.69 : 91,948.16 = 36,417.11 : x
  2. Step 2: Convert to fraction form
    66,633.69/91,948.16 = 36,417.11/x
  3. Step 3: Cross multiply
    66,633.69x = 91,948.16 × 36,417.11
  4. Step 4: Simplify right side
    66,633.69x = 3,348,485,888.32
  5. Step 5: Solve for x
    x = 3,348,485,888.32/66,633.69
  6. Step 6: Final answer
    x = 50,252.15

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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.