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Finding the Fourth Proportional to 14,031.10, 21,050.10 and 4,671.10

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Solution

The fourth proportional to 14,031.10, 21,050.10 and 4,671.10 is: 7,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.10 : 21,050.10 = 4,671.10 : x
  2. Step 2: Convert to fraction form
    14,031.10/21,050.10 = 4,671.10/x
  3. Step 3: Cross multiply
    14,031.10x = 21,050.10 × 4,671.10
  4. Step 4: Simplify right side
    14,031.10x = 98,327,122.11
  5. Step 5: Solve for x
    x = 98,327,122.11/14,031.10
  6. Step 6: Final answer
    x = 7,007.80

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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.