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Finding the Fourth Proportional to 27,271.68, 40,902.88 and 8,803.68

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Solution

The fourth proportional to 27,271.68, 40,902.88 and 8,803.68 is: 13,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.68 : 40,902.88 = 8,803.68 : x
  2. Step 2: Convert to fraction form
    27,271.68/40,902.88 = 8,803.68/x
  3. Step 3: Cross multiply
    27,271.68x = 40,902.88 × 8,803.68
  4. Step 4: Simplify right side
    27,271.68x = 360,095,866.60
  5. Step 5: Solve for x
    x = 360,095,866.60/27,271.68
  6. Step 6: Final answer
    x = 13,204.02

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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.