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Finding the Fourth Proportional to 62,509.59, 86,265.62 and 35,656.47

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Solution

The fourth proportional to 62,509.59, 86,265.62 and 35,656.47 is: 49,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,509.59 : 86,265.62 = 35,656.47 : x
  2. Step 2: Convert to fraction form
    62,509.59/86,265.62 = 35,656.47/x
  3. Step 3: Cross multiply
    62,509.59x = 86,265.62 × 35,656.47
  4. Step 4: Simplify right side
    62,509.59x = 3,075,927,313.28
  5. Step 5: Solve for x
    x = 3,075,927,313.28/62,509.59
  6. Step 6: Final answer
    x = 49,207.29

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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.