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Finding the Fourth Proportional to 9,073.59, 12,512.35 and 8,544.45

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Solution

The fourth proportional to 9,073.59, 12,512.35 and 8,544.45 is: 11,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073.59 : 12,512.35 = 8,544.45 : x
  2. Step 2: Convert to fraction form
    9,073.59/12,512.35 = 8,544.45/x
  3. Step 3: Cross multiply
    9,073.59x = 12,512.35 × 8,544.45
  4. Step 4: Simplify right side
    9,073.59x = 106,911,106.24
  5. Step 5: Solve for x
    x = 106,911,106.24/9,073.59
  6. Step 6: Final answer
    x = 11,782.67

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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.