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Finding the Fourth Proportional to 23,718.81, 35,583.30 and 7,080.15

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Solution

The fourth proportional to 23,718.81, 35,583.30 and 7,080.15 is: 10,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,718.81 : 35,583.30 = 7,080.15 : x
  2. Step 2: Convert to fraction form
    23,718.81/35,583.30 = 7,080.15/x
  3. Step 3: Cross multiply
    23,718.81x = 35,583.30 × 7,080.15
  4. Step 4: Simplify right side
    23,718.81x = 251,935,101.50
  5. Step 5: Solve for x
    x = 251,935,101.50/23,718.81
  6. Step 6: Final answer
    x = 10,621.74

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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.