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Finding the Fourth Proportional to 7,752.57, 10,698.19 and 4,395.30

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Solution

The fourth proportional to 7,752.57, 10,698.19 and 4,395.30 is: 6,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.57 : 10,698.19 = 4,395.30 : x
  2. Step 2: Convert to fraction form
    7,752.57/10,698.19 = 4,395.30/x
  3. Step 3: Cross multiply
    7,752.57x = 10,698.19 × 4,395.30
  4. Step 4: Simplify right side
    7,752.57x = 47,021,754.71
  5. Step 5: Solve for x
    x = 47,021,754.71/7,752.57
  6. Step 6: Final answer
    x = 6,065.31

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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.