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Finding the Fourth Proportional to 27,281.79, 40,923.51 and 10,641.15

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Solution

The fourth proportional to 27,281.79, 40,923.51 and 10,641.15 is: 15,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.79 : 40,923.51 = 10,641.15 : x
  2. Step 2: Convert to fraction form
    27,281.79/40,923.51 = 10,641.15/x
  3. Step 3: Cross multiply
    27,281.79x = 40,923.51 × 10,641.15
  4. Step 4: Simplify right side
    27,281.79x = 435,473,208.44
  5. Step 5: Solve for x
    x = 435,473,208.44/27,281.79
  6. Step 6: Final answer
    x = 15,962.05

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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.