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Finding the Fourth Proportional to 9,008.58, 13,509.62 and 3,459.06

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Solution

The fourth proportional to 9,008.58, 13,509.62 and 3,459.06 is: 5,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.58 : 13,509.62 = 3,459.06 : x
  2. Step 2: Convert to fraction form
    9,008.58/13,509.62 = 3,459.06/x
  3. Step 3: Cross multiply
    9,008.58x = 13,509.62 × 3,459.06
  4. Step 4: Simplify right side
    9,008.58x = 46,730,586.16
  5. Step 5: Solve for x
    x = 46,730,586.16/9,008.58
  6. Step 6: Final answer
    x = 5,187.34

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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.