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Finding the Fourth Proportional to 7,076.84, 9,754.70 and 4,807.53

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Solution

The fourth proportional to 7,076.84, 9,754.70 and 4,807.53 is: 6,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.84 : 9,754.70 = 4,807.53 : x
  2. Step 2: Convert to fraction form
    7,076.84/9,754.70 = 4,807.53/x
  3. Step 3: Cross multiply
    7,076.84x = 9,754.70 × 4,807.53
  4. Step 4: Simplify right side
    7,076.84x = 46,896,001.98
  5. Step 5: Solve for x
    x = 46,896,001.98/7,076.84
  6. Step 6: Final answer
    x = 6,626.68

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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.