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Finding the Fourth Proportional to 14,710.76, 22,067.28 and 8,827.74

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Solution

The fourth proportional to 14,710.76, 22,067.28 and 8,827.74 is: 13,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.76 : 22,067.28 = 8,827.74 : x
  2. Step 2: Convert to fraction form
    14,710.76/22,067.28 = 8,827.74/x
  3. Step 3: Cross multiply
    14,710.76x = 22,067.28 × 8,827.74
  4. Step 4: Simplify right side
    14,710.76x = 194,804,210.35
  5. Step 5: Solve for x
    x = 194,804,210.35/14,710.76
  6. Step 6: Final answer
    x = 13,242.29

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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.