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Finding the Fourth Proportional to 66,707.01, 92,054.66 and 36,491.58

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Solution

The fourth proportional to 66,707.01, 92,054.66 and 36,491.58 is: 50,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,707.01 : 92,054.66 = 36,491.58 : x
  2. Step 2: Convert to fraction form
    66,707.01/92,054.66 = 36,491.58/x
  3. Step 3: Cross multiply
    66,707.01x = 92,054.66 × 36,491.58
  4. Step 4: Simplify right side
    66,707.01x = 3,359,219,807.30
  5. Step 5: Solve for x
    x = 3,359,219,807.30/66,707.01
  6. Step 6: Final answer
    x = 50,357.82

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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.