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Finding the Fourth Proportional to 12,554.55, 18,792.95 and 9,417.15

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Solution

The fourth proportional to 12,554.55, 18,792.95 and 9,417.15 is: 14,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.55 : 18,792.95 = 9,417.15 : x
  2. Step 2: Convert to fraction form
    12,554.55/18,792.95 = 9,417.15/x
  3. Step 3: Cross multiply
    12,554.55x = 18,792.95 × 9,417.15
  4. Step 4: Simplify right side
    12,554.55x = 176,975,982.01
  5. Step 5: Solve for x
    x = 176,975,982.01/12,554.55
  6. Step 6: Final answer
    x = 14,096.56

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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.