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Finding the Fourth Proportional to 14,423.58, 21,626.64 and 7,020.63

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Solution

The fourth proportional to 14,423.58, 21,626.64 and 7,020.63 is: 10,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.58 : 21,626.64 = 7,020.63 : x
  2. Step 2: Convert to fraction form
    14,423.58/21,626.64 = 7,020.63/x
  3. Step 3: Cross multiply
    14,423.58x = 21,626.64 × 7,020.63
  4. Step 4: Simplify right side
    14,423.58x = 151,832,637.58
  5. Step 5: Solve for x
    x = 151,832,637.58/14,423.58
  6. Step 6: Final answer
    x = 10,526.70

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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.