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Finding the Fourth Proportional to 9,715.50, 14,551.92 and 8,030.55

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Solution

The fourth proportional to 9,715.50, 14,551.92 and 8,030.55 is: 12,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.50 : 14,551.92 = 8,030.55 : x
  2. Step 2: Convert to fraction form
    9,715.50/14,551.92 = 8,030.55/x
  3. Step 3: Cross multiply
    9,715.50x = 14,551.92 × 8,030.55
  4. Step 4: Simplify right side
    9,715.50x = 116,859,921.16
  5. Step 5: Solve for x
    x = 116,859,921.16/9,715.50
  6. Step 6: Final answer
    x = 12,028.19

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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.