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Finding the Fourth Proportional to 14,036.71, 19,370.19 and 7,748.95

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Solution

The fourth proportional to 14,036.71, 19,370.19 and 7,748.95 is: 10,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.71 : 19,370.19 = 7,748.95 : x
  2. Step 2: Convert to fraction form
    14,036.71/19,370.19 = 7,748.95/x
  3. Step 3: Cross multiply
    14,036.71x = 19,370.19 × 7,748.95
  4. Step 4: Simplify right side
    14,036.71x = 150,098,633.80
  5. Step 5: Solve for x
    x = 150,098,633.80/14,036.71
  6. Step 6: Final answer
    x = 10,693.29

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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.