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Finding the Fourth Proportional to 8,946.91, 13,411.14 and 6,475.60

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Solution

The fourth proportional to 8,946.91, 13,411.14 and 6,475.60 is: 9,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.91 : 13,411.14 = 6,475.60 : x
  2. Step 2: Convert to fraction form
    8,946.91/13,411.14 = 6,475.60/x
  3. Step 3: Cross multiply
    8,946.91x = 13,411.14 × 6,475.60
  4. Step 4: Simplify right side
    8,946.91x = 86,845,178.18
  5. Step 5: Solve for x
    x = 86,845,178.18/8,946.91
  6. Step 6: Final answer
    x = 9,706.72

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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.