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Finding the Fourth Proportional to 7,262.73, 10,897.74 and 5,417.55

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Solution

The fourth proportional to 7,262.73, 10,897.74 and 5,417.55 is: 8,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.73 : 10,897.74 = 5,417.55 : x
  2. Step 2: Convert to fraction form
    7,262.73/10,897.74 = 5,417.55/x
  3. Step 3: Cross multiply
    7,262.73x = 10,897.74 × 5,417.55
  4. Step 4: Simplify right side
    7,262.73x = 59,039,051.34
  5. Step 5: Solve for x
    x = 59,039,051.34/7,262.73
  6. Step 6: Final answer
    x = 8,129.04

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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.