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Finding the Fourth Proportional to 7,078.05, 10,537.02 and 7,041.33

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Solution

The fourth proportional to 7,078.05, 10,537.02 and 7,041.33 is: 10,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.05 : 10,537.02 = 7,041.33 : x
  2. Step 2: Convert to fraction form
    7,078.05/10,537.02 = 7,041.33/x
  3. Step 3: Cross multiply
    7,078.05x = 10,537.02 × 7,041.33
  4. Step 4: Simplify right side
    7,078.05x = 74,194,635.04
  5. Step 5: Solve for x
    x = 74,194,635.04/7,078.05
  6. Step 6: Final answer
    x = 10,482.36

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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.