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Finding the Fourth Proportional to 36,970.64, 51,016.64 and 21,051.92

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Solution

The fourth proportional to 36,970.64, 51,016.64 and 21,051.92 is: 29,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,970.64 : 51,016.64 = 21,051.92 : x
  2. Step 2: Convert to fraction form
    36,970.64/51,016.64 = 21,051.92/x
  3. Step 3: Cross multiply
    36,970.64x = 51,016.64 × 21,051.92
  4. Step 4: Simplify right side
    36,970.64x = 1,073,998,223.95
  5. Step 5: Solve for x
    x = 1,073,998,223.95/36,970.64
  6. Step 6: Final answer
    x = 29,050.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.