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Finding the Fourth Proportional to 30,374.76, 41,903.46 and 17,794.20

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Solution

The fourth proportional to 30,374.76, 41,903.46 and 17,794.20 is: 24,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.76 : 41,903.46 = 17,794.20 : x
  2. Step 2: Convert to fraction form
    30,374.76/41,903.46 = 17,794.20/x
  3. Step 3: Cross multiply
    30,374.76x = 41,903.46 × 17,794.20
  4. Step 4: Simplify right side
    30,374.76x = 745,638,547.93
  5. Step 5: Solve for x
    x = 745,638,547.93/30,374.76
  6. Step 6: Final answer
    x = 24,547.97

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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.