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Finding the Fourth Proportional to 28,541.52, 42,812.28 and 15,476.63

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Solution

The fourth proportional to 28,541.52, 42,812.28 and 15,476.63 is: 23,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.52 : 42,812.28 = 15,476.63 : x
  2. Step 2: Convert to fraction form
    28,541.52/42,812.28 = 15,476.63/x
  3. Step 3: Cross multiply
    28,541.52x = 42,812.28 × 15,476.63
  4. Step 4: Simplify right side
    28,541.52x = 662,589,602.96
  5. Step 5: Solve for x
    x = 662,589,602.96/28,541.52
  6. Step 6: Final answer
    x = 23,214.94

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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.