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Finding the Fourth Proportional to 56,710.10, 85,101.60 and 33,017.60

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Solution

The fourth proportional to 56,710.10, 85,101.60 and 33,017.60 is: 49,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710.10 : 85,101.60 = 33,017.60 : x
  2. Step 2: Convert to fraction form
    56,710.10/85,101.60 = 33,017.60/x
  3. Step 3: Cross multiply
    56,710.10x = 85,101.60 × 33,017.60
  4. Step 4: Simplify right side
    56,710.10x = 2,809,850,588.16
  5. Step 5: Solve for x
    x = 2,809,850,588.16/56,710.10
  6. Step 6: Final answer
    x = 49,547.62

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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.