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Finding the Fourth Proportional to 27,275.63, 40,913.51 and 8,807.63

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Solution

The fourth proportional to 27,275.63, 40,913.51 and 8,807.63 is: 13,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.63 : 40,913.51 = 8,807.63 : x
  2. Step 2: Convert to fraction form
    27,275.63/40,913.51 = 8,807.63/x
  3. Step 3: Cross multiply
    27,275.63x = 40,913.51 × 8,807.63
  4. Step 4: Simplify right side
    27,275.63x = 360,350,809.48
  5. Step 5: Solve for x
    x = 360,350,809.48/27,275.63
  6. Step 6: Final answer
    x = 13,211.46

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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.