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Finding the Fourth Proportional to 3,312.07, 4,968.09 and 846.88

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Solution

The fourth proportional to 3,312.07, 4,968.09 and 846.88 is: 1,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.07 : 4,968.09 = 846.88 : x
  2. Step 2: Convert to fraction form
    3,312.07/4,968.09 = 846.88/x
  3. Step 3: Cross multiply
    3,312.07x = 4,968.09 × 846.88
  4. Step 4: Simplify right side
    3,312.07x = 4,207,376.06
  5. Step 5: Solve for x
    x = 4,207,376.06/3,312.07
  6. Step 6: Final answer
    x = 1,270.32

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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.