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Finding the Fourth Proportional to 60,074.34, 90,057.14 and 28,464.68

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Solution

The fourth proportional to 60,074.34, 90,057.14 and 28,464.68 is: 42,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,074.34 : 90,057.14 = 28,464.68 : x
  2. Step 2: Convert to fraction form
    60,074.34/90,057.14 = 28,464.68/x
  3. Step 3: Cross multiply
    60,074.34x = 90,057.14 × 28,464.68
  4. Step 4: Simplify right side
    60,074.34x = 2,563,447,671.82
  5. Step 5: Solve for x
    x = 2,563,447,671.82/60,074.34
  6. Step 6: Final answer
    x = 42,671.26

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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.