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Finding the Fourth Proportional to 10,759.60, 14,866.68 and 9,607.60

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Solution

The fourth proportional to 10,759.60, 14,866.68 and 9,607.60 is: 13,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.60 : 14,866.68 = 9,607.60 : x
  2. Step 2: Convert to fraction form
    10,759.60/14,866.68 = 9,607.60/x
  3. Step 3: Cross multiply
    10,759.60x = 14,866.68 × 9,607.60
  4. Step 4: Simplify right side
    10,759.60x = 142,833,114.77
  5. Step 5: Solve for x
    x = 142,833,114.77/10,759.60
  6. Step 6: Final answer
    x = 13,274.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.