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Finding the Fourth Proportional to 66,500.04, 91,742.52 and 46,368.84

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Solution

The fourth proportional to 66,500.04, 91,742.52 and 46,368.84 is: 63,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,500.04 : 91,742.52 = 46,368.84 : x
  2. Step 2: Convert to fraction form
    66,500.04/91,742.52 = 46,368.84/x
  3. Step 3: Cross multiply
    66,500.04x = 91,742.52 × 46,368.84
  4. Step 4: Simplify right side
    66,500.04x = 4,253,994,231.08
  5. Step 5: Solve for x
    x = 4,253,994,231.08/66,500.04
  6. Step 6: Final answer
    x = 63,969.80

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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.