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Finding the Fourth Proportional to 8,696.16, 13,031.28 and 4,801.68

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Solution

The fourth proportional to 8,696.16, 13,031.28 and 4,801.68 is: 7,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.16 : 13,031.28 = 4,801.68 : x
  2. Step 2: Convert to fraction form
    8,696.16/13,031.28 = 4,801.68/x
  3. Step 3: Cross multiply
    8,696.16x = 13,031.28 × 4,801.68
  4. Step 4: Simplify right side
    8,696.16x = 62,572,036.55
  5. Step 5: Solve for x
    x = 62,572,036.55/8,696.16
  6. Step 6: Final answer
    x = 7,195.36

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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.