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Finding the Fourth Proportional to 70,953.48, 106,467.48 and 31,538.88

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Solution

The fourth proportional to 70,953.48, 106,467.48 and 31,538.88 is: 47,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.48 : 106,467.48 = 31,538.88 : x
  2. Step 2: Convert to fraction form
    70,953.48/106,467.48 = 31,538.88/x
  3. Step 3: Cross multiply
    70,953.48x = 106,467.48 × 31,538.88
  4. Step 4: Simplify right side
    70,953.48x = 3,357,865,075.62
  5. Step 5: Solve for x
    x = 3,357,865,075.62/70,953.48
  6. Step 6: Final answer
    x = 47,324.88

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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.