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Finding the Fourth Proportional to 23,653.74, 35,480.60 and 9,621.40

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Solution

The fourth proportional to 23,653.74, 35,480.60 and 9,621.40 is: 14,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,653.74 : 35,480.60 = 9,621.40 : x
  2. Step 2: Convert to fraction form
    23,653.74/35,480.60 = 9,621.40/x
  3. Step 3: Cross multiply
    23,653.74x = 35,480.60 × 9,621.40
  4. Step 4: Simplify right side
    23,653.74x = 341,372,980.19
  5. Step 5: Solve for x
    x = 341,372,980.19/23,653.74
  6. Step 6: Final answer
    x = 14,432.09

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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.