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Finding the Fourth Proportional to 13,527.48, 18,667 and 7,558.84

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Solution

The fourth proportional to 13,527.48, 18,667 and 7,558.84 is: 10,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.48 : 18,667 = 7,558.84 : x
  2. Step 2: Convert to fraction form
    13,527.48/18,667 = 7,558.84/x
  3. Step 3: Cross multiply
    13,527.48x = 18,667 × 7,558.84
  4. Step 4: Simplify right side
    13,527.48x = 141,100,866.28
  5. Step 5: Solve for x
    x = 141,100,866.28/13,527.48
  6. Step 6: Final answer
    x = 10,430.68

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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.