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Finding the Fourth Proportional to 7,952.20, 10,955.99 and 6,153.50

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Solution

The fourth proportional to 7,952.20, 10,955.99 and 6,153.50 is: 8,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.20 : 10,955.99 = 6,153.50 : x
  2. Step 2: Convert to fraction form
    7,952.20/10,955.99 = 6,153.50/x
  3. Step 3: Cross multiply
    7,952.20x = 10,955.99 × 6,153.50
  4. Step 4: Simplify right side
    7,952.20x = 67,417,598.92
  5. Step 5: Solve for x
    x = 67,417,598.92/7,952.20
  6. Step 6: Final answer
    x = 8,477.85

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Half scale
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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.