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Finding the Fourth Proportional to 28,534.02, 42,801.03 and 15,469.13

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Solution

The fourth proportional to 28,534.02, 42,801.03 and 15,469.13 is: 23,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.02 : 42,801.03 = 15,469.13 : x
  2. Step 2: Convert to fraction form
    28,534.02/42,801.03 = 15,469.13/x
  3. Step 3: Cross multiply
    28,534.02x = 42,801.03 × 15,469.13
  4. Step 4: Simplify right side
    28,534.02x = 662,094,483.20
  5. Step 5: Solve for x
    x = 662,094,483.20/28,534.02
  6. Step 6: Final answer
    x = 23,203.69

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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.