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Finding the Fourth Proportional to 9,059.70, 12,503.16 and 5,081.58

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Solution

The fourth proportional to 9,059.70, 12,503.16 and 5,081.58 is: 7,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.70 : 12,503.16 = 5,081.58 : x
  2. Step 2: Convert to fraction form
    9,059.70/12,503.16 = 5,081.58/x
  3. Step 3: Cross multiply
    9,059.70x = 12,503.16 × 5,081.58
  4. Step 4: Simplify right side
    9,059.70x = 63,535,807.79
  5. Step 5: Solve for x
    x = 63,535,807.79/9,059.70
  6. Step 6: Final answer
    x = 7,013.01

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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.