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Finding the Fourth Proportional to 6,987.93, 10,483.10 and 2,827.77

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Solution

The fourth proportional to 6,987.93, 10,483.10 and 2,827.77 is: 4,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.93 : 10,483.10 = 2,827.77 : x
  2. Step 2: Convert to fraction form
    6,987.93/10,483.10 = 2,827.77/x
  3. Step 3: Cross multiply
    6,987.93x = 10,483.10 × 2,827.77
  4. Step 4: Simplify right side
    6,987.93x = 29,643,795.69
  5. Step 5: Solve for x
    x = 29,643,795.69/6,987.93
  6. Step 6: Final answer
    x = 4,242.14

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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.