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Finding the Fourth Proportional to 44,274.80, 66,412.20 and 25,612.40

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Solution

The fourth proportional to 44,274.80, 66,412.20 and 25,612.40 is: 38,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,274.80 : 66,412.20 = 25,612.40 : x
  2. Step 2: Convert to fraction form
    44,274.80/66,412.20 = 25,612.40/x
  3. Step 3: Cross multiply
    44,274.80x = 66,412.20 × 25,612.40
  4. Step 4: Simplify right side
    44,274.80x = 1,700,975,831.28
  5. Step 5: Solve for x
    x = 1,700,975,831.28/44,274.80
  6. Step 6: Final answer
    x = 38,418.60

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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.