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Finding the Fourth Proportional to 7,347.61, 11,007.60 and 5,696.12

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Solution

The fourth proportional to 7,347.61, 11,007.60 and 5,696.12 is: 8,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.61 : 11,007.60 = 5,696.12 : x
  2. Step 2: Convert to fraction form
    7,347.61/11,007.60 = 5,696.12/x
  3. Step 3: Cross multiply
    7,347.61x = 11,007.60 × 5,696.12
  4. Step 4: Simplify right side
    7,347.61x = 62,700,616.67
  5. Step 5: Solve for x
    x = 62,700,616.67/7,347.61
  6. Step 6: Final answer
    x = 8,533.47

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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.