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Finding the Fourth Proportional to 7,565.83, 10,436 and 4,880.48

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Solution

The fourth proportional to 7,565.83, 10,436 and 4,880.48 is: 6,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.83 : 10,436 = 4,880.48 : x
  2. Step 2: Convert to fraction form
    7,565.83/10,436 = 4,880.48/x
  3. Step 3: Cross multiply
    7,565.83x = 10,436 × 4,880.48
  4. Step 4: Simplify right side
    7,565.83x = 50,932,689.28
  5. Step 5: Solve for x
    x = 50,932,689.28/7,565.83
  6. Step 6: Final answer
    x = 6,731.94

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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.