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Finding the Fourth Proportional to 15,235.94, 22,856.77 and 6,916.54

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Solution

The fourth proportional to 15,235.94, 22,856.77 and 6,916.54 is: 10,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235.94 : 22,856.77 = 6,916.54 : x
  2. Step 2: Convert to fraction form
    15,235.94/22,856.77 = 6,916.54/x
  3. Step 3: Cross multiply
    15,235.94x = 22,856.77 × 6,916.54
  4. Step 4: Simplify right side
    15,235.94x = 158,089,763.98
  5. Step 5: Solve for x
    x = 158,089,763.98/15,235.94
  6. Step 6: Final answer
    x = 10,376.11

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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.