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Finding the Fourth Proportional to 4,693.73, 7,038.32 and 1,919.30

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Solution

The fourth proportional to 4,693.73, 7,038.32 and 1,919.30 is: 2,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693.73 : 7,038.32 = 1,919.30 : x
  2. Step 2: Convert to fraction form
    4,693.73/7,038.32 = 1,919.30/x
  3. Step 3: Cross multiply
    4,693.73x = 7,038.32 × 1,919.30
  4. Step 4: Simplify right side
    4,693.73x = 13,508,602.79
  5. Step 5: Solve for x
    x = 13,508,602.79/4,693.73
  6. Step 6: Final answer
    x = 2,878.01

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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.