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Finding the Fourth Proportional to 51,953.48, 77,939.40 and 16,886.96

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Solution

The fourth proportional to 51,953.48, 77,939.40 and 16,886.96 is: 25,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,953.48 : 77,939.40 = 16,886.96 : x
  2. Step 2: Convert to fraction form
    51,953.48/77,939.40 = 16,886.96/x
  3. Step 3: Cross multiply
    51,953.48x = 77,939.40 × 16,886.96
  4. Step 4: Simplify right side
    51,953.48x = 1,316,159,530.22
  5. Step 5: Solve for x
    x = 1,316,159,530.22/51,953.48
  6. Step 6: Final answer
    x = 25,333.42

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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.