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Finding the Fourth Proportional to 8,256.96, 12,368.88 and 4,968.18

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Solution

The fourth proportional to 8,256.96, 12,368.88 and 4,968.18 is: 7,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.96 : 12,368.88 = 4,968.18 : x
  2. Step 2: Convert to fraction form
    8,256.96/12,368.88 = 4,968.18/x
  3. Step 3: Cross multiply
    8,256.96x = 12,368.88 × 4,968.18
  4. Step 4: Simplify right side
    8,256.96x = 61,450,822.24
  5. Step 5: Solve for x
    x = 61,450,822.24/8,256.96
  6. Step 6: Final answer
    x = 7,442.31

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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.