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Finding the Fourth Proportional to 9,579.04, 14,368.80 and 2,653.52

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Solution

The fourth proportional to 9,579.04, 14,368.80 and 2,653.52 is: 3,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.04 : 14,368.80 = 2,653.52 : x
  2. Step 2: Convert to fraction form
    9,579.04/14,368.80 = 2,653.52/x
  3. Step 3: Cross multiply
    9,579.04x = 14,368.80 × 2,653.52
  4. Step 4: Simplify right side
    9,579.04x = 38,127,898.18
  5. Step 5: Solve for x
    x = 38,127,898.18/9,579.04
  6. Step 6: Final answer
    x = 3,980.35

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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.