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Finding the Fourth Proportional to 9,030.21, 13,527.12 and 7,564.11

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Solution

The fourth proportional to 9,030.21, 13,527.12 and 7,564.11 is: 11,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.21 : 13,527.12 = 7,564.11 : x
  2. Step 2: Convert to fraction form
    9,030.21/13,527.12 = 7,564.11/x
  3. Step 3: Cross multiply
    9,030.21x = 13,527.12 × 7,564.11
  4. Step 4: Simplify right side
    9,030.21x = 102,320,623.66
  5. Step 5: Solve for x
    x = 102,320,623.66/9,030.21
  6. Step 6: Final answer
    x = 11,330.92

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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.