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Finding the Fourth Proportional to 18,801.63, 25,946.52 and 10,303.62

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Solution

The fourth proportional to 18,801.63, 25,946.52 and 10,303.62 is: 14,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.63 : 25,946.52 = 10,303.62 : x
  2. Step 2: Convert to fraction form
    18,801.63/25,946.52 = 10,303.62/x
  3. Step 3: Cross multiply
    18,801.63x = 25,946.52 × 10,303.62
  4. Step 4: Simplify right side
    18,801.63x = 267,343,082.40
  5. Step 5: Solve for x
    x = 267,343,082.40/18,801.63
  6. Step 6: Final answer
    x = 14,219.14

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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.