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Finding the Fourth Proportional to 51,124.88, 70,534.07 and 29,602.88

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Solution

The fourth proportional to 51,124.88, 70,534.07 and 29,602.88 is: 40,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,124.88 : 70,534.07 = 29,602.88 : x
  2. Step 2: Convert to fraction form
    51,124.88/70,534.07 = 29,602.88/x
  3. Step 3: Cross multiply
    51,124.88x = 70,534.07 × 29,602.88
  4. Step 4: Simplify right side
    51,124.88x = 2,088,011,109.44
  5. Step 5: Solve for x
    x = 2,088,011,109.44/51,124.88
  6. Step 6: Final answer
    x = 40,841.39

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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.