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Finding the Fourth Proportional to 7,651.52, 10,564.96 and 5,880.32

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Solution

The fourth proportional to 7,651.52, 10,564.96 and 5,880.32 is: 8,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.52 : 10,564.96 = 5,880.32 : x
  2. Step 2: Convert to fraction form
    7,651.52/10,564.96 = 5,880.32/x
  3. Step 3: Cross multiply
    7,651.52x = 10,564.96 × 5,880.32
  4. Step 4: Simplify right side
    7,651.52x = 62,125,345.59
  5. Step 5: Solve for x
    x = 62,125,345.59/7,651.52
  6. Step 6: Final answer
    x = 8,119.35

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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.