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Finding the Fourth Proportional to 14,802.70, 22,216.20 and 14,316.70

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Solution

The fourth proportional to 14,802.70, 22,216.20 and 14,316.70 is: 21,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.70 : 22,216.20 = 14,316.70 : x
  2. Step 2: Convert to fraction form
    14,802.70/22,216.20 = 14,316.70/x
  3. Step 3: Cross multiply
    14,802.70x = 22,216.20 × 14,316.70
  4. Step 4: Simplify right side
    14,802.70x = 318,062,670.54
  5. Step 5: Solve for x
    x = 318,062,670.54/14,802.70
  6. Step 6: Final answer
    x = 21,486.80

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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.