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Finding the Fourth Proportional to 8,792.65, 12,124.65 and 5,804.56

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Solution

The fourth proportional to 8,792.65, 12,124.65 and 5,804.56 is: 8,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.65 : 12,124.65 = 5,804.56 : x
  2. Step 2: Convert to fraction form
    8,792.65/12,124.65 = 5,804.56/x
  3. Step 3: Cross multiply
    8,792.65x = 12,124.65 × 5,804.56
  4. Step 4: Simplify right side
    8,792.65x = 70,378,258.40
  5. Step 5: Solve for x
    x = 70,378,258.40/8,792.65
  6. Step 6: Final answer
    x = 8,004.21

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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.