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Finding the Fourth Proportional to 8,711.08, 13,030.94 and 7,252.20

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Solution

The fourth proportional to 8,711.08, 13,030.94 and 7,252.20 is: 10,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.08 : 13,030.94 = 7,252.20 : x
  2. Step 2: Convert to fraction form
    8,711.08/13,030.94 = 7,252.20/x
  3. Step 3: Cross multiply
    8,711.08x = 13,030.94 × 7,252.20
  4. Step 4: Simplify right side
    8,711.08x = 94,502,983.07
  5. Step 5: Solve for x
    x = 94,502,983.07/8,711.08
  6. Step 6: Final answer
    x = 10,848.60

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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.