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Finding the Fourth Proportional to 9,547.40, 14,305.44 and 9,182.90

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Solution

The fourth proportional to 9,547.40, 14,305.44 and 9,182.90 is: 13,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,547.40 : 14,305.44 = 9,182.90 : x
  2. Step 2: Convert to fraction form
    9,547.40/14,305.44 = 9,182.90/x
  3. Step 3: Cross multiply
    9,547.40x = 14,305.44 × 9,182.90
  4. Step 4: Simplify right side
    9,547.40x = 131,365,424.98
  5. Step 5: Solve for x
    x = 131,365,424.98/9,547.40
  6. Step 6: Final answer
    x = 13,759.29

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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.