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Finding the Fourth Proportional to 14,030.68, 21,049.68 and 4,672.12

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Solution

The fourth proportional to 14,030.68, 21,049.68 and 4,672.12 is: 7,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.68 : 21,049.68 = 4,672.12 : x
  2. Step 2: Convert to fraction form
    14,030.68/21,049.68 = 4,672.12/x
  3. Step 3: Cross multiply
    14,030.68x = 21,049.68 × 4,672.12
  4. Step 4: Simplify right side
    14,030.68x = 98,346,630.92
  5. Step 5: Solve for x
    x = 98,346,630.92/14,030.68
  6. Step 6: Final answer
    x = 7,009.40

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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.