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Finding the Fourth Proportional to 9,805.40, 14,708.80 and 3,232.58

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Solution

The fourth proportional to 9,805.40, 14,708.80 and 3,232.58 is: 4,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.40 : 14,708.80 = 3,232.58 : x
  2. Step 2: Convert to fraction form
    9,805.40/14,708.80 = 3,232.58/x
  3. Step 3: Cross multiply
    9,805.40x = 14,708.80 × 3,232.58
  4. Step 4: Simplify right side
    9,805.40x = 47,547,372.70
  5. Step 5: Solve for x
    x = 47,547,372.70/9,805.40
  6. Step 6: Final answer
    x = 4,849.10

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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.