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Finding the Fourth Proportional to 9,579.02, 14,368.51 and 2,653.50

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Solution

The fourth proportional to 9,579.02, 14,368.51 and 2,653.50 is: 3,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.02 : 14,368.51 = 2,653.50 : x
  2. Step 2: Convert to fraction form
    9,579.02/14,368.51 = 2,653.50/x
  3. Step 3: Cross multiply
    9,579.02x = 14,368.51 × 2,653.50
  4. Step 4: Simplify right side
    9,579.02x = 38,126,841.29
  5. Step 5: Solve for x
    x = 38,126,841.29/9,579.02
  6. Step 6: Final answer
    x = 3,980.24

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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.