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Finding the Fourth Proportional to 70,953.71, 97,814.37 and 55,820.09

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Solution

The fourth proportional to 70,953.71, 97,814.37 and 55,820.09 is: 76,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.71 : 97,814.37 = 55,820.09 : x
  2. Step 2: Convert to fraction form
    70,953.71/97,814.37 = 55,820.09/x
  3. Step 3: Cross multiply
    70,953.71x = 97,814.37 × 55,820.09
  4. Step 4: Simplify right side
    70,953.71x = 5,460,006,526.36
  5. Step 5: Solve for x
    x = 5,460,006,526.36/70,953.71
  6. Step 6: Final answer
    x = 76,951.68

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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.