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Finding the Fourth Proportional to 56,221.84, 84,332.76 and 14,668.48

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Solution

The fourth proportional to 56,221.84, 84,332.76 and 14,668.48 is: 22,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,221.84 : 84,332.76 = 14,668.48 : x
  2. Step 2: Convert to fraction form
    56,221.84/84,332.76 = 14,668.48/x
  3. Step 3: Cross multiply
    56,221.84x = 84,332.76 × 14,668.48
  4. Step 4: Simplify right side
    56,221.84x = 1,237,033,403.40
  5. Step 5: Solve for x
    x = 1,237,033,403.40/56,221.84
  6. Step 6: Final answer
    x = 22,002.72

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Similar ratio
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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.