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Finding the Fourth Proportional to 8,303.08, 12,432.64 and 6,848.72

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Solution

The fourth proportional to 8,303.08, 12,432.64 and 6,848.72 is: 10,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.08 : 12,432.64 = 6,848.72 : x
  2. Step 2: Convert to fraction form
    8,303.08/12,432.64 = 6,848.72/x
  3. Step 3: Cross multiply
    8,303.08x = 12,432.64 × 6,848.72
  4. Step 4: Simplify right side
    8,303.08x = 85,147,670.22
  5. Step 5: Solve for x
    x = 85,147,670.22/8,303.08
  6. Step 6: Final answer
    x = 10,254.95

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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.