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Finding the Fourth Proportional to 9,048.51, 12,487.19 and 5,069.87

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Solution

The fourth proportional to 9,048.51, 12,487.19 and 5,069.87 is: 6,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.51 : 12,487.19 = 5,069.87 : x
  2. Step 2: Convert to fraction form
    9,048.51/12,487.19 = 5,069.87/x
  3. Step 3: Cross multiply
    9,048.51x = 12,487.19 × 5,069.87
  4. Step 4: Simplify right side
    9,048.51x = 63,308,389.01
  5. Step 5: Solve for x
    x = 63,308,389.01/9,048.51
  6. Step 6: Final answer
    x = 6,996.55

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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.