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Finding the Fourth Proportional to 36,970.46, 55,454.88 and 12,010.46

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Solution

The fourth proportional to 36,970.46, 55,454.88 and 12,010.46 is: 18,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,970.46 : 55,454.88 = 12,010.46 : x
  2. Step 2: Convert to fraction form
    36,970.46/55,454.88 = 12,010.46/x
  3. Step 3: Cross multiply
    36,970.46x = 55,454.88 × 12,010.46
  4. Step 4: Simplify right side
    36,970.46x = 666,038,618.04
  5. Step 5: Solve for x
    x = 666,038,618.04/36,970.46
  6. Step 6: Final answer
    x = 18,015.43

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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.