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Finding the Fourth Proportional to 19,801.08, 29,705.04 and 6,653.52

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Solution

The fourth proportional to 19,801.08, 29,705.04 and 6,653.52 is: 9,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.08 : 29,705.04 = 6,653.52 : x
  2. Step 2: Convert to fraction form
    19,801.08/29,705.04 = 6,653.52/x
  3. Step 3: Cross multiply
    19,801.08x = 29,705.04 × 6,653.52
  4. Step 4: Simplify right side
    19,801.08x = 197,643,077.74
  5. Step 5: Solve for x
    x = 197,643,077.74/19,801.08
  6. Step 6: Final answer
    x = 9,981.43

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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.