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Finding the Fourth Proportional to 14,673.60, 22,012.80 and 4,811.68

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Solution

The fourth proportional to 14,673.60, 22,012.80 and 4,811.68 is: 7,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.60 : 22,012.80 = 4,811.68 : x
  2. Step 2: Convert to fraction form
    14,673.60/22,012.80 = 4,811.68/x
  3. Step 3: Cross multiply
    14,673.60x = 22,012.80 × 4,811.68
  4. Step 4: Simplify right side
    14,673.60x = 105,918,549.50
  5. Step 5: Solve for x
    x = 105,918,549.50/14,673.60
  6. Step 6: Final answer
    x = 7,218.31

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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.