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Finding the Fourth Proportional to 37,598.99, 51,877.46 and 20,831.99

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Solution

The fourth proportional to 37,598.99, 51,877.46 and 20,831.99 is: 28,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,598.99 : 51,877.46 = 20,831.99 : x
  2. Step 2: Convert to fraction form
    37,598.99/51,877.46 = 20,831.99/x
  3. Step 3: Cross multiply
    37,598.99x = 51,877.46 × 20,831.99
  4. Step 4: Simplify right side
    37,598.99x = 1,080,710,520.64
  5. Step 5: Solve for x
    x = 1,080,710,520.64/37,598.99
  6. Step 6: Final answer
    x = 28,743.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.