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Finding the Fourth Proportional to 35,152.71, 52,728.45 and 8,856.87

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Solution

The fourth proportional to 35,152.71, 52,728.45 and 8,856.87 is: 13,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,152.71 : 52,728.45 = 8,856.87 : x
  2. Step 2: Convert to fraction form
    35,152.71/52,728.45 = 8,856.87/x
  3. Step 3: Cross multiply
    35,152.71x = 52,728.45 × 8,856.87
  4. Step 4: Simplify right side
    35,152.71x = 467,008,763.31
  5. Step 5: Solve for x
    x = 467,008,763.31/35,152.71
  6. Step 6: Final answer
    x = 13,285.14

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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.