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Finding the Fourth Proportional to 14,602.10, 21,903.15 and 5,246.60

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Solution

The fourth proportional to 14,602.10, 21,903.15 and 5,246.60 is: 7,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.10 : 21,903.15 = 5,246.60 : x
  2. Step 2: Convert to fraction form
    14,602.10/21,903.15 = 5,246.60/x
  3. Step 3: Cross multiply
    14,602.10x = 21,903.15 × 5,246.60
  4. Step 4: Simplify right side
    14,602.10x = 114,917,066.79
  5. Step 5: Solve for x
    x = 114,917,066.79/14,602.10
  6. Step 6: Final answer
    x = 7,869.90

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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.