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Finding the Fourth Proportional to 7,053.71, 10,580.15 and 3,157.07

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Solution

The fourth proportional to 7,053.71, 10,580.15 and 3,157.07 is: 4,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.71 : 10,580.15 = 3,157.07 : x
  2. Step 2: Convert to fraction form
    7,053.71/10,580.15 = 3,157.07/x
  3. Step 3: Cross multiply
    7,053.71x = 10,580.15 × 3,157.07
  4. Step 4: Simplify right side
    7,053.71x = 33,402,258.38
  5. Step 5: Solve for x
    x = 33,402,258.38/7,053.71
  6. Step 6: Final answer
    x = 4,735.42

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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.