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Finding the Fourth Proportional to 9,803.08, 14,707.10 and 4,255.08

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Solution

The fourth proportional to 9,803.08, 14,707.10 and 4,255.08 is: 6,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,803.08 : 14,707.10 = 4,255.08 : x
  2. Step 2: Convert to fraction form
    9,803.08/14,707.10 = 4,255.08/x
  3. Step 3: Cross multiply
    9,803.08x = 14,707.10 × 4,255.08
  4. Step 4: Simplify right side
    9,803.08x = 62,579,887.07
  5. Step 5: Solve for x
    x = 62,579,887.07/9,803.08
  6. Step 6: Final answer
    x = 6,383.70

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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.