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Finding the Fourth Proportional to 61,007.81, 91,527.49 and 35,728.67

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Solution

The fourth proportional to 61,007.81, 91,527.49 and 35,728.67 is: 53,602.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,007.81 : 91,527.49 = 35,728.67 : x
  2. Step 2: Convert to fraction form
    61,007.81/91,527.49 = 35,728.67/x
  3. Step 3: Cross multiply
    61,007.81x = 91,527.49 × 35,728.67
  4. Step 4: Simplify right side
    61,007.81x = 3,270,155,486.14
  5. Step 5: Solve for x
    x = 3,270,155,486.14/61,007.81
  6. Step 6: Final answer
    x = 53,602.24

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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.