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Finding the Fourth Proportional to 30,773.52, 46,115.64 and 16,721.64

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Solution

The fourth proportional to 30,773.52, 46,115.64 and 16,721.64 is: 25,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,773.52 : 46,115.64 = 16,721.64 : x
  2. Step 2: Convert to fraction form
    30,773.52/46,115.64 = 16,721.64/x
  3. Step 3: Cross multiply
    30,773.52x = 46,115.64 × 16,721.64
  4. Step 4: Simplify right side
    30,773.52x = 771,129,130.45
  5. Step 5: Solve for x
    x = 771,129,130.45/30,773.52
  6. Step 6: Final answer
    x = 25,058.20

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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.