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Finding the Fourth Proportional to 9,579.04, 14,368.56 and 2,653.36

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Solution

The fourth proportional to 9,579.04, 14,368.56 and 2,653.36 is: 3,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.04 : 14,368.56 = 2,653.36 : x
  2. Step 2: Convert to fraction form
    9,579.04/14,368.56 = 2,653.36/x
  3. Step 3: Cross multiply
    9,579.04x = 14,368.56 × 2,653.36
  4. Step 4: Simplify right side
    9,579.04x = 38,124,962.36
  5. Step 5: Solve for x
    x = 38,124,962.36/9,579.04
  6. Step 6: Final answer
    x = 3,980.04

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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.