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Finding the Fourth Proportional to 7,237.93, 9,980.42 and 4,715.37

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Solution

The fourth proportional to 7,237.93, 9,980.42 and 4,715.37 is: 6,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.93 : 9,980.42 = 4,715.37 : x
  2. Step 2: Convert to fraction form
    7,237.93/9,980.42 = 4,715.37/x
  3. Step 3: Cross multiply
    7,237.93x = 9,980.42 × 4,715.37
  4. Step 4: Simplify right side
    7,237.93x = 47,061,299.58
  5. Step 5: Solve for x
    x = 47,061,299.58/7,237.93
  6. Step 6: Final answer
    x = 6,502.04

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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.