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Finding the Fourth Proportional to 19,602.90, 29,406.11 and 5,563.14

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Solution

The fourth proportional to 19,602.90, 29,406.11 and 5,563.14 is: 8,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.90 : 29,406.11 = 5,563.14 : x
  2. Step 2: Convert to fraction form
    19,602.90/29,406.11 = 5,563.14/x
  3. Step 3: Cross multiply
    19,602.90x = 29,406.11 × 5,563.14
  4. Step 4: Simplify right side
    19,602.90x = 163,590,306.79
  5. Step 5: Solve for x
    x = 163,590,306.79/19,602.90
  6. Step 6: Final answer
    x = 8,345.21

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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.