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Finding the Fourth Proportional to 56,652.75, 84,980.93 and 17,210.21

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Solution

The fourth proportional to 56,652.75, 84,980.93 and 17,210.21 is: 25,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652.75 : 84,980.93 = 17,210.21 : x
  2. Step 2: Convert to fraction form
    56,652.75/84,980.93 = 17,210.21/x
  3. Step 3: Cross multiply
    56,652.75x = 84,980.93 × 17,210.21
  4. Step 4: Simplify right side
    56,652.75x = 1,462,539,140.34
  5. Step 5: Solve for x
    x = 1,462,539,140.34/56,652.75
  6. Step 6: Final answer
    x = 25,815.85

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1.5x scale

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.