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Finding the Fourth Proportional to 8,908.44, 12,292.38 and 4,929.50

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Solution

The fourth proportional to 8,908.44, 12,292.38 and 4,929.50 is: 6,802.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.44 : 12,292.38 = 4,929.50 : x
  2. Step 2: Convert to fraction form
    8,908.44/12,292.38 = 4,929.50/x
  3. Step 3: Cross multiply
    8,908.44x = 12,292.38 × 4,929.50
  4. Step 4: Simplify right side
    8,908.44x = 60,595,225.75
  5. Step 5: Solve for x
    x = 60,595,225.75/8,908.44
  6. Step 6: Final answer
    x = 6,802.00

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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.