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Finding the Fourth Proportional to 60,312.30, 90,460.08 and 42,245.82

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Solution

The fourth proportional to 60,312.30, 90,460.08 and 42,245.82 is: 63,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,312.30 : 90,460.08 = 42,245.82 : x
  2. Step 2: Convert to fraction form
    60,312.30/90,460.08 = 42,245.82/x
  3. Step 3: Cross multiply
    60,312.30x = 90,460.08 × 42,245.82
  4. Step 4: Simplify right side
    60,312.30x = 3,821,560,256.87
  5. Step 5: Solve for x
    x = 3,821,560,256.87/60,312.30
  6. Step 6: Final answer
    x = 63,362.87

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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.