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Finding the Fourth Proportional to 4,950.72, 7,426.53 and 1,830.60

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Solution

The fourth proportional to 4,950.72, 7,426.53 and 1,830.60 is: 2,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.72 : 7,426.53 = 1,830.60 : x
  2. Step 2: Convert to fraction form
    4,950.72/7,426.53 = 1,830.60/x
  3. Step 3: Cross multiply
    4,950.72x = 7,426.53 × 1,830.60
  4. Step 4: Simplify right side
    4,950.72x = 13,595,005.82
  5. Step 5: Solve for x
    x = 13,595,005.82/4,950.72
  6. Step 6: Final answer
    x = 2,746.07

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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.