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Finding the Fourth Proportional to 34,485.46, 51,728.12 and 9,525.45

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Solution

The fourth proportional to 34,485.46, 51,728.12 and 9,525.45 is: 14,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.46 : 51,728.12 = 9,525.45 : x
  2. Step 2: Convert to fraction form
    34,485.46/51,728.12 = 9,525.45/x
  3. Step 3: Cross multiply
    34,485.46x = 51,728.12 × 9,525.45
  4. Step 4: Simplify right side
    34,485.46x = 492,733,511.76
  5. Step 5: Solve for x
    x = 492,733,511.76/34,485.46
  6. Step 6: Final answer
    x = 14,288.15

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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.