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Finding the Fourth Proportional to 62,802.21, 86,667.03 and 34,509.72

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Solution

The fourth proportional to 62,802.21, 86,667.03 and 34,509.72 is: 47,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,802.21 : 86,667.03 = 34,509.72 : x
  2. Step 2: Convert to fraction form
    62,802.21/86,667.03 = 34,509.72/x
  3. Step 3: Cross multiply
    62,802.21x = 86,667.03 × 34,509.72
  4. Step 4: Simplify right side
    62,802.21x = 2,990,854,938.53
  5. Step 5: Solve for x
    x = 2,990,854,938.53/62,802.21
  6. Step 6: Final answer
    x = 47,623.40

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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.