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Finding the Fourth Proportional to 15,302.99, 22,938.29 and 8,715.06

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Solution

The fourth proportional to 15,302.99, 22,938.29 and 8,715.06 is: 13,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302.99 : 22,938.29 = 8,715.06 : x
  2. Step 2: Convert to fraction form
    15,302.99/22,938.29 = 8,715.06/x
  3. Step 3: Cross multiply
    15,302.99x = 22,938.29 × 8,715.06
  4. Step 4: Simplify right side
    15,302.99x = 199,908,562.75
  5. Step 5: Solve for x
    x = 199,908,562.75/15,302.99
  6. Step 6: Final answer
    x = 13,063.36

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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.