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Finding the Fourth Proportional to 8,060.65, 12,090.93 and 4,386.24

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Solution

The fourth proportional to 8,060.65, 12,090.93 and 4,386.24 is: 6,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.65 : 12,090.93 = 4,386.24 : x
  2. Step 2: Convert to fraction form
    8,060.65/12,090.93 = 4,386.24/x
  3. Step 3: Cross multiply
    8,060.65x = 12,090.93 × 4,386.24
  4. Step 4: Simplify right side
    8,060.65x = 53,033,638.42
  5. Step 5: Solve for x
    x = 53,033,638.42/8,060.65
  6. Step 6: Final answer
    x = 6,579.33

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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.