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Finding the Fourth Proportional to 4,929.10, 6,892.10 and 4,929.10

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Solution

The fourth proportional to 4,929.10, 6,892.10 and 4,929.10 is: 6,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.10 : 6,892.10 = 4,929.10 : x
  2. Step 2: Convert to fraction form
    4,929.10/6,892.10 = 4,929.10/x
  3. Step 3: Cross multiply
    4,929.10x = 6,892.10 × 4,929.10
  4. Step 4: Simplify right side
    4,929.10x = 33,971,850.11
  5. Step 5: Solve for x
    x = 33,971,850.11/4,929.10
  6. Step 6: Final answer
    x = 6,892.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.