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Finding the Fourth Proportional to 7,698.66, 10,624.15 and 4,341.47

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Solution

The fourth proportional to 7,698.66, 10,624.15 and 4,341.47 is: 5,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.66 : 10,624.15 = 4,341.47 : x
  2. Step 2: Convert to fraction form
    7,698.66/10,624.15 = 4,341.47/x
  3. Step 3: Cross multiply
    7,698.66x = 10,624.15 × 4,341.47
  4. Step 4: Simplify right side
    7,698.66x = 46,124,356.39
  5. Step 5: Solve for x
    x = 46,124,356.39/7,698.66
  6. Step 6: Final answer
    x = 5,991.22

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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.