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Finding the Fourth Proportional to 14,008.66, 19,340.95 and 8,710.68

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Solution

The fourth proportional to 14,008.66, 19,340.95 and 8,710.68 is: 12,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.66 : 19,340.95 = 8,710.68 : x
  2. Step 2: Convert to fraction form
    14,008.66/19,340.95 = 8,710.68/x
  3. Step 3: Cross multiply
    14,008.66x = 19,340.95 × 8,710.68
  4. Step 4: Simplify right side
    14,008.66x = 168,472,826.35
  5. Step 5: Solve for x
    x = 168,472,826.35/14,008.66
  6. Step 6: Final answer
    x = 12,026.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.