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Finding the Fourth Proportional to 15,957.60, 23,937.60 and 4,270.56

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Solution

The fourth proportional to 15,957.60, 23,937.60 and 4,270.56 is: 6,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.60 : 23,937.60 = 4,270.56 : x
  2. Step 2: Convert to fraction form
    15,957.60/23,937.60 = 4,270.56/x
  3. Step 3: Cross multiply
    15,957.60x = 23,937.60 × 4,270.56
  4. Step 4: Simplify right side
    15,957.60x = 102,226,957.06
  5. Step 5: Solve for x
    x = 102,226,957.06/15,957.60
  6. Step 6: Final answer
    x = 6,406.16

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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.