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Finding the Fourth Proportional to 7,970.61, 11,950.11 and 3,752.40

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Solution

The fourth proportional to 7,970.61, 11,950.11 and 3,752.40 is: 5,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.61 : 11,950.11 = 3,752.40 : x
  2. Step 2: Convert to fraction form
    7,970.61/11,950.11 = 3,752.40/x
  3. Step 3: Cross multiply
    7,970.61x = 11,950.11 × 3,752.40
  4. Step 4: Simplify right side
    7,970.61x = 44,841,592.76
  5. Step 5: Solve for x
    x = 44,841,592.76/7,970.61
  6. Step 6: Final answer
    x = 5,625.87

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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.