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Finding the Fourth Proportional to 30,573.60, 45,831.68 and 23,065.68

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Solution

The fourth proportional to 30,573.60, 45,831.68 and 23,065.68 is: 34,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,573.60 : 45,831.68 = 23,065.68 : x
  2. Step 2: Convert to fraction form
    30,573.60/45,831.68 = 23,065.68/x
  3. Step 3: Cross multiply
    30,573.60x = 45,831.68 × 23,065.68
  4. Step 4: Simplify right side
    30,573.60x = 1,057,138,864.74
  5. Step 5: Solve for x
    x = 1,057,138,864.74/30,573.60
  6. Step 6: Final answer
    x = 34,576.85

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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.