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Finding the Fourth Proportional to 19,653.99, 29,474.91 and 6,503.64

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Solution

The fourth proportional to 19,653.99, 29,474.91 and 6,503.64 is: 9,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.99 : 29,474.91 = 6,503.64 : x
  2. Step 2: Convert to fraction form
    19,653.99/29,474.91 = 6,503.64/x
  3. Step 3: Cross multiply
    19,653.99x = 29,474.91 × 6,503.64
  4. Step 4: Simplify right side
    19,653.99x = 191,694,203.67
  5. Step 5: Solve for x
    x = 191,694,203.67/19,653.99
  6. Step 6: Final answer
    x = 9,753.45

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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.