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Finding the Fourth Proportional to 9,579.51, 14,368.32 and 3,005.51

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Solution

The fourth proportional to 9,579.51, 14,368.32 and 3,005.51 is: 4,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.51 : 14,368.32 = 3,005.51 : x
  2. Step 2: Convert to fraction form
    9,579.51/14,368.32 = 3,005.51/x
  3. Step 3: Cross multiply
    9,579.51x = 14,368.32 × 3,005.51
  4. Step 4: Simplify right side
    9,579.51x = 43,184,057.60
  5. Step 5: Solve for x
    x = 43,184,057.60/9,579.51
  6. Step 6: Final answer
    x = 4,507.96

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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.