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Finding the Fourth Proportional to 9,007.52, 13,490.40 and 8,696.16

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Solution

The fourth proportional to 9,007.52, 13,490.40 and 8,696.16 is: 13,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.52 : 13,490.40 = 8,696.16 : x
  2. Step 2: Convert to fraction form
    9,007.52/13,490.40 = 8,696.16/x
  3. Step 3: Cross multiply
    9,007.52x = 13,490.40 × 8,696.16
  4. Step 4: Simplify right side
    9,007.52x = 117,314,676.86
  5. Step 5: Solve for x
    x = 117,314,676.86/9,007.52
  6. Step 6: Final answer
    x = 13,024.08

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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.