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Finding the Fourth Proportional to 37,329.48, 55,987.74 and 12,705.48

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Solution

The fourth proportional to 37,329.48, 55,987.74 and 12,705.48 is: 19,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,329.48 : 55,987.74 = 12,705.48 : x
  2. Step 2: Convert to fraction form
    37,329.48/55,987.74 = 12,705.48/x
  3. Step 3: Cross multiply
    37,329.48x = 55,987.74 × 12,705.48
  4. Step 4: Simplify right side
    37,329.48x = 711,351,110.82
  5. Step 5: Solve for x
    x = 711,351,110.82/37,329.48
  6. Step 6: Final answer
    x = 19,056.01

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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.