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Finding the Fourth Proportional to 9,037.64, 13,504.65 and 6,888.60

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Solution

The fourth proportional to 9,037.64, 13,504.65 and 6,888.60 is: 10,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,037.64 : 13,504.65 = 6,888.60 : x
  2. Step 2: Convert to fraction form
    9,037.64/13,504.65 = 6,888.60/x
  3. Step 3: Cross multiply
    9,037.64x = 13,504.65 × 6,888.60
  4. Step 4: Simplify right side
    9,037.64x = 93,028,156.80
  5. Step 5: Solve for x
    x = 93,028,156.80/9,037.64
  6. Step 6: Final answer
    x = 10,293.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.