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Finding the Fourth Proportional to 7,470.88, 11,206.32 and 7,460.08

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Solution

The fourth proportional to 7,470.88, 11,206.32 and 7,460.08 is: 11,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.88 : 11,206.32 = 7,460.08 : x
  2. Step 2: Convert to fraction form
    7,470.88/11,206.32 = 7,460.08/x
  3. Step 3: Cross multiply
    7,470.88x = 11,206.32 × 7,460.08
  4. Step 4: Simplify right side
    7,470.88x = 83,600,043.71
  5. Step 5: Solve for x
    x = 83,600,043.71/7,470.88
  6. Step 6: Final answer
    x = 11,190.12

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Similar ratio
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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.