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Finding the Fourth Proportional to 48,332.40, 72,498.60 and 36,668.40

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Solution

The fourth proportional to 48,332.40, 72,498.60 and 36,668.40 is: 55,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,332.40 : 72,498.60 = 36,668.40 : x
  2. Step 2: Convert to fraction form
    48,332.40/72,498.60 = 36,668.40/x
  3. Step 3: Cross multiply
    48,332.40x = 72,498.60 × 36,668.40
  4. Step 4: Simplify right side
    48,332.40x = 2,658,407,664.24
  5. Step 5: Solve for x
    x = 2,658,407,664.24/48,332.40
  6. Step 6: Final answer
    x = 55,002.60

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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.