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Finding the Fourth Proportional to 34,980.87, 52,455.86 and 10,015.25

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Solution

The fourth proportional to 34,980.87, 52,455.86 and 10,015.25 is: 15,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.87 : 52,455.86 = 10,015.25 : x
  2. Step 2: Convert to fraction form
    34,980.87/52,455.86 = 10,015.25/x
  3. Step 3: Cross multiply
    34,980.87x = 52,455.86 × 10,015.25
  4. Step 4: Simplify right side
    34,980.87x = 525,358,708.04
  5. Step 5: Solve for x
    x = 525,358,708.04/34,980.87
  6. Step 6: Final answer
    x = 15,018.46

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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.