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Finding the Fourth Proportional to 9,880.56, 14,823.27 and 9,070.56

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Solution

The fourth proportional to 9,880.56, 14,823.27 and 9,070.56 is: 13,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.56 : 14,823.27 = 9,070.56 : x
  2. Step 2: Convert to fraction form
    9,880.56/14,823.27 = 9,070.56/x
  3. Step 3: Cross multiply
    9,880.56x = 14,823.27 × 9,070.56
  4. Step 4: Simplify right side
    9,880.56x = 134,455,359.93
  5. Step 5: Solve for x
    x = 134,455,359.93/9,880.56
  6. Step 6: Final answer
    x = 13,608.07

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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.