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Finding the Fourth Proportional to 60,295.32, 90,447.30 and 15,921.63

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Solution

The fourth proportional to 60,295.32, 90,447.30 and 15,921.63 is: 23,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,295.32 : 90,447.30 = 15,921.63 : x
  2. Step 2: Convert to fraction form
    60,295.32/90,447.30 = 15,921.63/x
  3. Step 3: Cross multiply
    60,295.32x = 90,447.30 × 15,921.63
  4. Step 4: Simplify right side
    60,295.32x = 1,440,068,445.10
  5. Step 5: Solve for x
    x = 1,440,068,445.10/60,295.32
  6. Step 6: Final answer
    x = 23,883.59

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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.