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Finding the Fourth Proportional to 15,446.70, 23,168.70 and 5,058.45

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Solution

The fourth proportional to 15,446.70, 23,168.70 and 5,058.45 is: 7,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.70 : 23,168.70 = 5,058.45 : x
  2. Step 2: Convert to fraction form
    15,446.70/23,168.70 = 5,058.45/x
  3. Step 3: Cross multiply
    15,446.70x = 23,168.70 × 5,058.45
  4. Step 4: Simplify right side
    15,446.70x = 117,197,710.52
  5. Step 5: Solve for x
    x = 117,197,710.52/15,446.70
  6. Step 6: Final answer
    x = 7,587.23

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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.