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Finding the Fourth Proportional to 8,555.04, 11,802.54 and 5,569.78

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Solution

The fourth proportional to 8,555.04, 11,802.54 and 5,569.78 is: 7,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.04 : 11,802.54 = 5,569.78 : x
  2. Step 2: Convert to fraction form
    8,555.04/11,802.54 = 5,569.78/x
  3. Step 3: Cross multiply
    8,555.04x = 11,802.54 × 5,569.78
  4. Step 4: Simplify right side
    8,555.04x = 65,737,551.24
  5. Step 5: Solve for x
    x = 65,737,551.24/8,555.04
  6. Step 6: Final answer
    x = 7,684.07

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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.