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Finding the Fourth Proportional to 56,698.94, 85,023.81 and 17,246.94

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Solution

The fourth proportional to 56,698.94, 85,023.81 and 17,246.94 is: 25,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,698.94 : 85,023.81 = 17,246.94 : x
  2. Step 2: Convert to fraction form
    56,698.94/85,023.81 = 17,246.94/x
  3. Step 3: Cross multiply
    56,698.94x = 85,023.81 × 17,246.94
  4. Step 4: Simplify right side
    56,698.94x = 1,466,400,549.64
  5. Step 5: Solve for x
    x = 1,466,400,549.64/56,698.94
  6. Step 6: Final answer
    x = 25,862.93

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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.