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Finding the Fourth Proportional to 60,467.68, 90,699 and 18,346.24

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Solution

The fourth proportional to 60,467.68, 90,699 and 18,346.24 is: 27,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,467.68 : 90,699 = 18,346.24 : x
  2. Step 2: Convert to fraction form
    60,467.68/90,699 = 18,346.24/x
  3. Step 3: Cross multiply
    60,467.68x = 90,699 × 18,346.24
  4. Step 4: Simplify right side
    60,467.68x = 1,663,985,621.76
  5. Step 5: Solve for x
    x = 1,663,985,621.76/60,467.68
  6. Step 6: Final answer
    x = 27,518.60

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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.