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Finding the Fourth Proportional to 8,904.66, 12,287.43 and 4,925.22

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Solution

The fourth proportional to 8,904.66, 12,287.43 and 4,925.22 is: 6,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.66 : 12,287.43 = 4,925.22 : x
  2. Step 2: Convert to fraction form
    8,904.66/12,287.43 = 4,925.22/x
  3. Step 3: Cross multiply
    8,904.66x = 12,287.43 × 4,925.22
  4. Step 4: Simplify right side
    8,904.66x = 60,518,295.98
  5. Step 5: Solve for x
    x = 60,518,295.98/8,904.66
  6. Step 6: Final answer
    x = 6,796.25

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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.