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Finding the Fourth Proportional to 7,547.76, 11,318.76 and 3,598.32

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Solution

The fourth proportional to 7,547.76, 11,318.76 and 3,598.32 is: 5,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.76 : 11,318.76 = 3,598.32 : x
  2. Step 2: Convert to fraction form
    7,547.76/11,318.76 = 3,598.32/x
  3. Step 3: Cross multiply
    7,547.76x = 11,318.76 × 3,598.32
  4. Step 4: Simplify right side
    7,547.76x = 40,728,520.48
  5. Step 5: Solve for x
    x = 40,728,520.48/7,547.76
  6. Step 6: Final answer
    x = 5,396.11

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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.