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Finding the Fourth Proportional to 51,105.68, 70,525.13 and 28,444.68

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Solution

The fourth proportional to 51,105.68, 70,525.13 and 28,444.68 is: 39,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,105.68 : 70,525.13 = 28,444.68 : x
  2. Step 2: Convert to fraction form
    51,105.68/70,525.13 = 28,444.68/x
  3. Step 3: Cross multiply
    51,105.68x = 70,525.13 × 28,444.68
  4. Step 4: Simplify right side
    51,105.68x = 2,006,064,871.76
  5. Step 5: Solve for x
    x = 2,006,064,871.76/51,105.68
  6. Step 6: Final answer
    x = 39,253.26

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Double scale
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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.