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Finding the Fourth Proportional to 9,925.76, 13,696.64 and 5,946.80

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Solution

The fourth proportional to 9,925.76, 13,696.64 and 5,946.80 is: 8,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.76 : 13,696.64 = 5,946.80 : x
  2. Step 2: Convert to fraction form
    9,925.76/13,696.64 = 5,946.80/x
  3. Step 3: Cross multiply
    9,925.76x = 13,696.64 × 5,946.80
  4. Step 4: Simplify right side
    9,925.76x = 81,451,178.75
  5. Step 5: Solve for x
    x = 81,451,178.75/9,925.76
  6. Step 6: Final answer
    x = 8,206.04

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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.