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Finding the Fourth Proportional to 19,699.47, 29,549.46 and 6,551.84

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Solution

The fourth proportional to 19,699.47, 29,549.46 and 6,551.84 is: 9,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.47 : 29,549.46 = 6,551.84 : x
  2. Step 2: Convert to fraction form
    19,699.47/29,549.46 = 6,551.84/x
  3. Step 3: Cross multiply
    19,699.47x = 29,549.46 × 6,551.84
  4. Step 4: Simplify right side
    19,699.47x = 193,603,334.01
  5. Step 5: Solve for x
    x = 193,603,334.01/19,699.47
  6. Step 6: Final answer
    x = 9,827.84

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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.