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Finding the Fourth Proportional to 15,670.75, 23,484.02 and 8,653.92

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Solution

The fourth proportional to 15,670.75, 23,484.02 and 8,653.92 is: 12,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.75 : 23,484.02 = 8,653.92 : x
  2. Step 2: Convert to fraction form
    15,670.75/23,484.02 = 8,653.92/x
  3. Step 3: Cross multiply
    15,670.75x = 23,484.02 × 8,653.92
  4. Step 4: Simplify right side
    15,670.75x = 203,228,851.99
  5. Step 5: Solve for x
    x = 203,228,851.99/15,670.75
  6. Step 6: Final answer
    x = 12,968.68

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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.