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Finding the Fourth Proportional to 32,991.72, 49,482.05 and 11,927.76

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Solution

The fourth proportional to 32,991.72, 49,482.05 and 11,927.76 is: 17,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.72 : 49,482.05 = 11,927.76 : x
  2. Step 2: Convert to fraction form
    32,991.72/49,482.05 = 11,927.76/x
  3. Step 3: Cross multiply
    32,991.72x = 49,482.05 × 11,927.76
  4. Step 4: Simplify right side
    32,991.72x = 590,209,957.07
  5. Step 5: Solve for x
    x = 590,209,957.07/32,991.72
  6. Step 6: Final answer
    x = 17,889.64

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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.