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Finding the Fourth Proportional to 15,958, 23,899.84 and 15,404.32

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Solution

The fourth proportional to 15,958, 23,899.84 and 15,404.32 is: 23,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958 : 23,899.84 = 15,404.32 : x
  2. Step 2: Convert to fraction form
    15,958/23,899.84 = 15,404.32/x
  3. Step 3: Cross multiply
    15,958x = 23,899.84 × 15,404.32
  4. Step 4: Simplify right side
    15,958x = 368,160,783.31
  5. Step 5: Solve for x
    x = 368,160,783.31/15,958
  6. Step 6: Final answer
    x = 23,070.61

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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.