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Finding the Fourth Proportional to 23,907.28, 35,831.34 and 9,858.40

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Solution

The fourth proportional to 23,907.28, 35,831.34 and 9,858.40 is: 14,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,907.28 : 35,831.34 = 9,858.40 : x
  2. Step 2: Convert to fraction form
    23,907.28/35,831.34 = 9,858.40/x
  3. Step 3: Cross multiply
    23,907.28x = 35,831.34 × 9,858.40
  4. Step 4: Simplify right side
    23,907.28x = 353,239,682.26
  5. Step 5: Solve for x
    x = 353,239,682.26/23,907.28
  6. Step 6: Final answer
    x = 14,775.40

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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.