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Finding the Fourth Proportional to 30,602.10, 45,903.15 and 26,228.10

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Solution

The fourth proportional to 30,602.10, 45,903.15 and 26,228.10 is: 39,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602.10 : 45,903.15 = 26,228.10 : x
  2. Step 2: Convert to fraction form
    30,602.10/45,903.15 = 26,228.10/x
  3. Step 3: Cross multiply
    30,602.10x = 45,903.15 × 26,228.10
  4. Step 4: Simplify right side
    30,602.10x = 1,203,952,408.52
  5. Step 5: Solve for x
    x = 1,203,952,408.52/30,602.10
  6. Step 6: Final answer
    x = 39,342.15

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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.