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Finding the Fourth Proportional to 51,416.60, 70,953.54 and 29,060.60

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Solution

The fourth proportional to 51,416.60, 70,953.54 and 29,060.60 is: 40,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416.60 : 70,953.54 = 29,060.60 : x
  2. Step 2: Convert to fraction form
    51,416.60/70,953.54 = 29,060.60/x
  3. Step 3: Cross multiply
    51,416.60x = 70,953.54 × 29,060.60
  4. Step 4: Simplify right side
    51,416.60x = 2,061,952,444.52
  5. Step 5: Solve for x
    x = 2,061,952,444.52/51,416.60
  6. Step 6: Final answer
    x = 40,102.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.