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Finding the Fourth Proportional to 25,313.16, 37,973.84 and 7,782.99

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Solution

The fourth proportional to 25,313.16, 37,973.84 and 7,782.99 is: 11,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313.16 : 37,973.84 = 7,782.99 : x
  2. Step 2: Convert to fraction form
    25,313.16/37,973.84 = 7,782.99/x
  3. Step 3: Cross multiply
    25,313.16x = 37,973.84 × 7,782.99
  4. Step 4: Simplify right side
    25,313.16x = 295,549,857.55
  5. Step 5: Solve for x
    x = 295,549,857.55/25,313.16
  6. Step 6: Final answer
    x = 11,675.74

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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.