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Finding the Fourth Proportional to 5,404.07, 8,106.10 and 1,300.07

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Solution

The fourth proportional to 5,404.07, 8,106.10 and 1,300.07 is: 1,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.07 : 8,106.10 = 1,300.07 : x
  2. Step 2: Convert to fraction form
    5,404.07/8,106.10 = 1,300.07/x
  3. Step 3: Cross multiply
    5,404.07x = 8,106.10 × 1,300.07
  4. Step 4: Simplify right side
    5,404.07x = 10,538,456.90
  5. Step 5: Solve for x
    x = 10,538,456.90/5,404.07
  6. Step 6: Final answer
    x = 1,950.10

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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.