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Finding the Fourth Proportional to 9,281.08, 12,807.87 and 5,506.08

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Solution

The fourth proportional to 9,281.08, 12,807.87 and 5,506.08 is: 7,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.08 : 12,807.87 = 5,506.08 : x
  2. Step 2: Convert to fraction form
    9,281.08/12,807.87 = 5,506.08/x
  3. Step 3: Cross multiply
    9,281.08x = 12,807.87 × 5,506.08
  4. Step 4: Simplify right side
    9,281.08x = 70,521,119.14
  5. Step 5: Solve for x
    x = 70,521,119.14/9,281.08
  6. Step 6: Final answer
    x = 7,598.37

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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.