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Finding the Fourth Proportional to 4,978.04, 7,467.07 and 2,053.13

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Solution

The fourth proportional to 4,978.04, 7,467.07 and 2,053.13 is: 3,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978.04 : 7,467.07 = 2,053.13 : x
  2. Step 2: Convert to fraction form
    4,978.04/7,467.07 = 2,053.13/x
  3. Step 3: Cross multiply
    4,978.04x = 7,467.07 × 2,053.13
  4. Step 4: Simplify right side
    4,978.04x = 15,330,878.96
  5. Step 5: Solve for x
    x = 15,330,878.96/4,978.04
  6. Step 6: Final answer
    x = 3,079.70

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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.