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Finding the Fourth Proportional to 10,597.02, 15,897.19 and 3,200.55

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Solution

The fourth proportional to 10,597.02, 15,897.19 and 3,200.55 is: 4,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,597.02 : 15,897.19 = 3,200.55 : x
  2. Step 2: Convert to fraction form
    10,597.02/15,897.19 = 3,200.55/x
  3. Step 3: Cross multiply
    10,597.02x = 15,897.19 × 3,200.55
  4. Step 4: Simplify right side
    10,597.02x = 50,879,751.45
  5. Step 5: Solve for x
    x = 50,879,751.45/10,597.02
  6. Step 6: Final answer
    x = 4,801.33

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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.