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Finding the Fourth Proportional to 7,943.07, 10,962.44 and 4,799.07

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Solution

The fourth proportional to 7,943.07, 10,962.44 and 4,799.07 is: 6,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.07 : 10,962.44 = 4,799.07 : x
  2. Step 2: Convert to fraction form
    7,943.07/10,962.44 = 4,799.07/x
  3. Step 3: Cross multiply
    7,943.07x = 10,962.44 × 4,799.07
  4. Step 4: Simplify right side
    7,943.07x = 52,609,492.94
  5. Step 5: Solve for x
    x = 52,609,492.94/7,943.07
  6. Step 6: Final answer
    x = 6,623.32

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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.