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Finding the Fourth Proportional to 63,003.04, 86,950.80 and 36,148

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Solution

The fourth proportional to 63,003.04, 86,950.80 and 36,148 is: 49,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,003.04 : 86,950.80 = 36,148 : x
  2. Step 2: Convert to fraction form
    63,003.04/86,950.80 = 36,148/x
  3. Step 3: Cross multiply
    63,003.04x = 86,950.80 × 36,148
  4. Step 4: Simplify right side
    63,003.04x = 3,143,097,518.40
  5. Step 5: Solve for x
    x = 3,143,097,518.40/63,003.04
  6. Step 6: Final answer
    x = 49,888.03

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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.