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Finding the Fourth Proportional to 70,637.59, 105,953.64 and 23,890.46

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Solution

The fourth proportional to 70,637.59, 105,953.64 and 23,890.46 is: 35,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.59 : 105,953.64 = 23,890.46 : x
  2. Step 2: Convert to fraction form
    70,637.59/105,953.64 = 23,890.46/x
  3. Step 3: Cross multiply
    70,637.59x = 105,953.64 × 23,890.46
  4. Step 4: Simplify right side
    70,637.59x = 2,531,281,174.91
  5. Step 5: Solve for x
    x = 2,531,281,174.91/70,637.59
  6. Step 6: Final answer
    x = 35,834.76

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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.