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Finding the Fourth Proportional to 66,582.40, 91,884.46 and 36,368.62

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Solution

The fourth proportional to 66,582.40, 91,884.46 and 36,368.62 is: 50,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,582.40 : 91,884.46 = 36,368.62 : x
  2. Step 2: Convert to fraction form
    66,582.40/91,884.46 = 36,368.62/x
  3. Step 3: Cross multiply
    66,582.40x = 91,884.46 × 36,368.62
  4. Step 4: Simplify right side
    66,582.40x = 3,341,711,009.65
  5. Step 5: Solve for x
    x = 3,341,711,009.65/66,582.40
  6. Step 6: Final answer
    x = 50,189.10

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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.