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Finding the Fourth Proportional to 32,985.30, 49,477.95 and 15,456.90

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Solution

The fourth proportional to 32,985.30, 49,477.95 and 15,456.90 is: 23,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,985.30 : 49,477.95 = 15,456.90 : x
  2. Step 2: Convert to fraction form
    32,985.30/49,477.95 = 15,456.90/x
  3. Step 3: Cross multiply
    32,985.30x = 49,477.95 × 15,456.90
  4. Step 4: Simplify right side
    32,985.30x = 764,775,725.36
  5. Step 5: Solve for x
    x = 764,775,725.36/32,985.30
  6. Step 6: Final answer
    x = 23,185.35

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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.