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Finding the Fourth Proportional to 7,653.69, 10,563.21 and 4,669.92

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Solution

The fourth proportional to 7,653.69, 10,563.21 and 4,669.92 is: 6,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.69 : 10,563.21 = 4,669.92 : x
  2. Step 2: Convert to fraction form
    7,653.69/10,563.21 = 4,669.92/x
  3. Step 3: Cross multiply
    7,653.69x = 10,563.21 × 4,669.92
  4. Step 4: Simplify right side
    7,653.69x = 49,329,345.64
  5. Step 5: Solve for x
    x = 49,329,345.64/7,653.69
  6. Step 6: Final answer
    x = 6,445.17

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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.