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Finding the Fourth Proportional to 7,153.67, 9,872.94 and 4,501.02

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Solution

The fourth proportional to 7,153.67, 9,872.94 and 4,501.02 is: 6,211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.67 : 9,872.94 = 4,501.02 : x
  2. Step 2: Convert to fraction form
    7,153.67/9,872.94 = 4,501.02/x
  3. Step 3: Cross multiply
    7,153.67x = 9,872.94 × 4,501.02
  4. Step 4: Simplify right side
    7,153.67x = 44,438,300.40
  5. Step 5: Solve for x
    x = 44,438,300.40/7,153.67
  6. Step 6: Final answer
    x = 6,211.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.