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Finding the Fourth Proportional to 15,793.01, 23,681.24 and 7,887.05

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Solution

The fourth proportional to 15,793.01, 23,681.24 and 7,887.05 is: 11,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.01 : 23,681.24 = 7,887.05 : x
  2. Step 2: Convert to fraction form
    15,793.01/23,681.24 = 7,887.05/x
  3. Step 3: Cross multiply
    15,793.01x = 23,681.24 × 7,887.05
  4. Step 4: Simplify right side
    15,793.01x = 186,775,084.51
  5. Step 5: Solve for x
    x = 186,775,084.51/15,793.01
  6. Step 6: Final answer
    x = 11,826.44

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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.