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Finding the Fourth Proportional to 37,283.93, 55,914.04 and 12,319.32

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Solution

The fourth proportional to 37,283.93, 55,914.04 and 12,319.32 is: 18,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,283.93 : 55,914.04 = 12,319.32 : x
  2. Step 2: Convert to fraction form
    37,283.93/55,914.04 = 12,319.32/x
  3. Step 3: Cross multiply
    37,283.93x = 55,914.04 × 12,319.32
  4. Step 4: Simplify right side
    37,283.93x = 688,822,951.25
  5. Step 5: Solve for x
    x = 688,822,951.25/37,283.93
  6. Step 6: Final answer
    x = 18,475.06

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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.