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Finding the Fourth Proportional to 9,005.63, 13,510.60 and 2,849.63

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Solution

The fourth proportional to 9,005.63, 13,510.60 and 2,849.63 is: 4,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.63 : 13,510.60 = 2,849.63 : x
  2. Step 2: Convert to fraction form
    9,005.63/13,510.60 = 2,849.63/x
  3. Step 3: Cross multiply
    9,005.63x = 13,510.60 × 2,849.63
  4. Step 4: Simplify right side
    9,005.63x = 38,500,136.40
  5. Step 5: Solve for x
    x = 38,500,136.40/9,005.63
  6. Step 6: Final answer
    x = 4,275.12

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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.