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Finding the Fourth Proportional to 4,870.92, 7,305.70 and 1,750.47

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Solution

The fourth proportional to 4,870.92, 7,305.70 and 1,750.47 is: 2,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.92 : 7,305.70 = 1,750.47 : x
  2. Step 2: Convert to fraction form
    4,870.92/7,305.70 = 1,750.47/x
  3. Step 3: Cross multiply
    4,870.92x = 7,305.70 × 1,750.47
  4. Step 4: Simplify right side
    4,870.92x = 12,788,432.79
  5. Step 5: Solve for x
    x = 12,788,432.79/4,870.92
  6. Step 6: Final answer
    x = 2,625.47

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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.