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Finding the Fourth Proportional to 14,273.49, 19,695.65 and 7,984.29

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Solution

The fourth proportional to 14,273.49, 19,695.65 and 7,984.29 is: 11,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.49 : 19,695.65 = 7,984.29 : x
  2. Step 2: Convert to fraction form
    14,273.49/19,695.65 = 7,984.29/x
  3. Step 3: Cross multiply
    14,273.49x = 19,695.65 × 7,984.29
  4. Step 4: Simplify right side
    14,273.49x = 157,255,741.42
  5. Step 5: Solve for x
    x = 157,255,741.42/14,273.49
  6. Step 6: Final answer
    x = 11,017.33

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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.