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Finding the Fourth Proportional to 16,376.80, 22,600.40 and 10,090.40

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Solution

The fourth proportional to 16,376.80, 22,600.40 and 10,090.40 is: 13,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,376.80 : 22,600.40 = 10,090.40 : x
  2. Step 2: Convert to fraction form
    16,376.80/22,600.40 = 10,090.40/x
  3. Step 3: Cross multiply
    16,376.80x = 22,600.40 × 10,090.40
  4. Step 4: Simplify right side
    16,376.80x = 228,047,076.16
  5. Step 5: Solve for x
    x = 228,047,076.16/16,376.80
  6. Step 6: Final answer
    x = 13,925.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.