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Finding the Fourth Proportional to 1,848.55, 2,772.83 and 922.72

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Solution

The fourth proportional to 1,848.55, 2,772.83 and 922.72 is: 1,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.55 : 2,772.83 = 922.72 : x
  2. Step 2: Convert to fraction form
    1,848.55/2,772.83 = 922.72/x
  3. Step 3: Cross multiply
    1,848.55x = 2,772.83 × 922.72
  4. Step 4: Simplify right side
    1,848.55x = 2,558,545.70
  5. Step 5: Solve for x
    x = 2,558,545.70/1,848.55
  6. Step 6: Final answer
    x = 1,384.08

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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.