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Finding the Fourth Proportional to 5,779.93, 8,628.07 and 5,079.30

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Solution

The fourth proportional to 5,779.93, 8,628.07 and 5,079.30 is: 7,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.93 : 8,628.07 = 5,079.30 : x
  2. Step 2: Convert to fraction form
    5,779.93/8,628.07 = 5,079.30/x
  3. Step 3: Cross multiply
    5,779.93x = 8,628.07 × 5,079.30
  4. Step 4: Simplify right side
    5,779.93x = 43,824,562.30
  5. Step 5: Solve for x
    x = 43,824,562.30/5,779.93
  6. Step 6: Final answer
    x = 7,582.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.