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Finding the Fourth Proportional to 7,210.04, 9,947.07 and 4,376.39

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Solution

The fourth proportional to 7,210.04, 9,947.07 and 4,376.39 is: 6,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.04 : 9,947.07 = 4,376.39 : x
  2. Step 2: Convert to fraction form
    7,210.04/9,947.07 = 4,376.39/x
  3. Step 3: Cross multiply
    7,210.04x = 9,947.07 × 4,376.39
  4. Step 4: Simplify right side
    7,210.04x = 43,532,207.94
  5. Step 5: Solve for x
    x = 43,532,207.94/7,210.04
  6. Step 6: Final answer
    x = 6,037.72

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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.