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Finding the Fourth Proportional to 3,516.76, 5,276.76 and 1,569.52

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Solution

The fourth proportional to 3,516.76, 5,276.76 and 1,569.52 is: 2,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.76 : 5,276.76 = 1,569.52 : x
  2. Step 2: Convert to fraction form
    3,516.76/5,276.76 = 1,569.52/x
  3. Step 3: Cross multiply
    3,516.76x = 5,276.76 × 1,569.52
  4. Step 4: Simplify right side
    3,516.76x = 8,281,980.36
  5. Step 5: Solve for x
    x = 8,281,980.36/3,516.76
  6. Step 6: Final answer
    x = 2,355.00

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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.