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Finding the Fourth Proportional to 9,041.85, 12,478.95 and 5,063.22

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Solution

The fourth proportional to 9,041.85, 12,478.95 and 5,063.22 is: 6,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,041.85 : 12,478.95 = 5,063.22 : x
  2. Step 2: Convert to fraction form
    9,041.85/12,478.95 = 5,063.22/x
  3. Step 3: Cross multiply
    9,041.85x = 12,478.95 × 5,063.22
  4. Step 4: Simplify right side
    9,041.85x = 63,183,669.22
  5. Step 5: Solve for x
    x = 63,183,669.22/9,041.85
  6. Step 6: Final answer
    x = 6,987.91

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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.