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Finding the Fourth Proportional to 14,156.57, 21,216.47 and 5,827.11

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Solution

The fourth proportional to 14,156.57, 21,216.47 and 5,827.11 is: 8,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.57 : 21,216.47 = 5,827.11 : x
  2. Step 2: Convert to fraction form
    14,156.57/21,216.47 = 5,827.11/x
  3. Step 3: Cross multiply
    14,156.57x = 21,216.47 × 5,827.11
  4. Step 4: Simplify right side
    14,156.57x = 123,630,675.37
  5. Step 5: Solve for x
    x = 123,630,675.37/14,156.57
  6. Step 6: Final answer
    x = 8,733.10

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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.