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Finding the Fourth Proportional to 61,352.72, 84,669.18 and 35,875.52

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Solution

The fourth proportional to 61,352.72, 84,669.18 and 35,875.52 is: 49,509.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,352.72 : 84,669.18 = 35,875.52 : x
  2. Step 2: Convert to fraction form
    61,352.72/84,669.18 = 35,875.52/x
  3. Step 3: Cross multiply
    61,352.72x = 84,669.18 × 35,875.52
  4. Step 4: Simplify right side
    61,352.72x = 3,037,550,860.47
  5. Step 5: Solve for x
    x = 3,037,550,860.47/61,352.72
  6. Step 6: Final answer
    x = 49,509.64

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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.