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Finding the Fourth Proportional to 14,605.92, 21,888.32 and 8,356.56

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Solution

The fourth proportional to 14,605.92, 21,888.32 and 8,356.56 is: 12,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.92 : 21,888.32 = 8,356.56 : x
  2. Step 2: Convert to fraction form
    14,605.92/21,888.32 = 8,356.56/x
  3. Step 3: Cross multiply
    14,605.92x = 21,888.32 × 8,356.56
  4. Step 4: Simplify right side
    14,605.92x = 182,911,059.38
  5. Step 5: Solve for x
    x = 182,911,059.38/14,605.92
  6. Step 6: Final answer
    x = 12,523.08

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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.