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Finding the Fourth Proportional to 10,768.02, 14,859.76 and 5,987.84

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Solution

The fourth proportional to 10,768.02, 14,859.76 and 5,987.84 is: 8,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.02 : 14,859.76 = 5,987.84 : x
  2. Step 2: Convert to fraction form
    10,768.02/14,859.76 = 5,987.84/x
  3. Step 3: Cross multiply
    10,768.02x = 14,859.76 × 5,987.84
  4. Step 4: Simplify right side
    10,768.02x = 88,977,865.32
  5. Step 5: Solve for x
    x = 88,977,865.32/10,768.02
  6. Step 6: Final answer
    x = 8,263.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.