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Finding the Fourth Proportional to 9,957.60, 14,907.60 and 9,669.60

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Solution

The fourth proportional to 9,957.60, 14,907.60 and 9,669.60 is: 14,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.60 : 14,907.60 = 9,669.60 : x
  2. Step 2: Convert to fraction form
    9,957.60/14,907.60 = 9,669.60/x
  3. Step 3: Cross multiply
    9,957.60x = 14,907.60 × 9,669.60
  4. Step 4: Simplify right side
    9,957.60x = 144,150,528.96
  5. Step 5: Solve for x
    x = 144,150,528.96/9,957.60
  6. Step 6: Final answer
    x = 14,476.43

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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.