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Finding the Fourth Proportional to 9,010.40, 13,510.20 and 4,636.40

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Solution

The fourth proportional to 9,010.40, 13,510.20 and 4,636.40 is: 6,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.40 : 13,510.20 = 4,636.40 : x
  2. Step 2: Convert to fraction form
    9,010.40/13,510.20 = 4,636.40/x
  3. Step 3: Cross multiply
    9,010.40x = 13,510.20 × 4,636.40
  4. Step 4: Simplify right side
    9,010.40x = 62,638,691.28
  5. Step 5: Solve for x
    x = 62,638,691.28/9,010.40
  6. Step 6: Final answer
    x = 6,951.82

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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.