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Finding the Fourth Proportional to 8,465.41, 11,682.98 and 4,928.86

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Solution

The fourth proportional to 8,465.41, 11,682.98 and 4,928.86 is: 6,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.41 : 11,682.98 = 4,928.86 : x
  2. Step 2: Convert to fraction form
    8,465.41/11,682.98 = 4,928.86/x
  3. Step 3: Cross multiply
    8,465.41x = 11,682.98 × 4,928.86
  4. Step 4: Simplify right side
    8,465.41x = 57,583,748.16
  5. Step 5: Solve for x
    x = 57,583,748.16/8,465.41
  6. Step 6: Final answer
    x = 6,802.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.