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Finding the Fourth Proportional to 3,572.93, 4,928.60 and 2,080.69

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Solution

The fourth proportional to 3,572.93, 4,928.60 and 2,080.69 is: 2,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.93 : 4,928.60 = 2,080.69 : x
  2. Step 2: Convert to fraction form
    3,572.93/4,928.60 = 2,080.69/x
  3. Step 3: Cross multiply
    3,572.93x = 4,928.60 × 2,080.69
  4. Step 4: Simplify right side
    3,572.93x = 10,254,881.61
  5. Step 5: Solve for x
    x = 10,254,881.61/3,572.93
  6. Step 6: Final answer
    x = 2,870.16

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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.