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Finding the Fourth Proportional to 13,060.76, 19,591.08 and 4,740.76

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Solution

The fourth proportional to 13,060.76, 19,591.08 and 4,740.76 is: 7,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.76 : 19,591.08 = 4,740.76 : x
  2. Step 2: Convert to fraction form
    13,060.76/19,591.08 = 4,740.76/x
  3. Step 3: Cross multiply
    13,060.76x = 19,591.08 × 4,740.76
  4. Step 4: Simplify right side
    13,060.76x = 92,876,510.47
  5. Step 5: Solve for x
    x = 92,876,510.47/13,060.76
  6. Step 6: Final answer
    x = 7,111.11

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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.