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Finding the Fourth Proportional to 18,048.79, 27,077.79 and 6,952.50

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Solution

The fourth proportional to 18,048.79, 27,077.79 and 6,952.50 is: 10,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.79 : 27,077.79 = 6,952.50 : x
  2. Step 2: Convert to fraction form
    18,048.79/27,077.79 = 6,952.50/x
  3. Step 3: Cross multiply
    18,048.79x = 27,077.79 × 6,952.50
  4. Step 4: Simplify right side
    18,048.79x = 188,258,199.59
  5. Step 5: Solve for x
    x = 188,258,199.59/18,048.79
  6. Step 6: Final answer
    x = 10,430.52

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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.