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Finding the Fourth Proportional to 57,530.66, 86,300.98 and 17,558.65

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Solution

The fourth proportional to 57,530.66, 86,300.98 and 17,558.65 is: 26,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,530.66 : 86,300.98 = 17,558.65 : x
  2. Step 2: Convert to fraction form
    57,530.66/86,300.98 = 17,558.65/x
  3. Step 3: Cross multiply
    57,530.66x = 86,300.98 × 17,558.65
  4. Step 4: Simplify right side
    57,530.66x = 1,515,328,702.48
  5. Step 5: Solve for x
    x = 1,515,328,702.48/57,530.66
  6. Step 6: Final answer
    x = 26,339.50

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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.