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Finding the Fourth Proportional to 37,424.60, 56,129.70 and 11,130.20

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Solution

The fourth proportional to 37,424.60, 56,129.70 and 11,130.20 is: 16,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,424.60 : 56,129.70 = 11,130.20 : x
  2. Step 2: Convert to fraction form
    37,424.60/56,129.70 = 11,130.20/x
  3. Step 3: Cross multiply
    37,424.60x = 56,129.70 × 11,130.20
  4. Step 4: Simplify right side
    37,424.60x = 624,734,786.94
  5. Step 5: Solve for x
    x = 624,734,786.94/37,424.60
  6. Step 6: Final answer
    x = 16,693.16

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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.