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Finding the Fourth Proportional to 8,031.60, 12,051.24 and 6,303.60

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Solution

The fourth proportional to 8,031.60, 12,051.24 and 6,303.60 is: 9,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.60 : 12,051.24 = 6,303.60 : x
  2. Step 2: Convert to fraction form
    8,031.60/12,051.24 = 6,303.60/x
  3. Step 3: Cross multiply
    8,031.60x = 12,051.24 × 6,303.60
  4. Step 4: Simplify right side
    8,031.60x = 75,966,196.46
  5. Step 5: Solve for x
    x = 75,966,196.46/8,031.60
  6. Step 6: Final answer
    x = 9,458.41

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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.