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Finding the Fourth Proportional to 25,242.99, 37,868.13 and 7,710.54

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Solution

The fourth proportional to 25,242.99, 37,868.13 and 7,710.54 is: 11,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242.99 : 37,868.13 = 7,710.54 : x
  2. Step 2: Convert to fraction form
    25,242.99/37,868.13 = 7,710.54/x
  3. Step 3: Cross multiply
    25,242.99x = 37,868.13 × 7,710.54
  4. Step 4: Simplify right side
    25,242.99x = 291,983,823.78
  5. Step 5: Solve for x
    x = 291,983,823.78/25,242.99
  6. Step 6: Final answer
    x = 11,566.93

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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.