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Finding the Fourth Proportional to 80,953.68, 121,437 and 24,798.24

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Solution

The fourth proportional to 80,953.68, 121,437 and 24,798.24 is: 37,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,953.68 : 121,437 = 24,798.24 : x
  2. Step 2: Convert to fraction form
    80,953.68/121,437 = 24,798.24/x
  3. Step 3: Cross multiply
    80,953.68x = 121,437 × 24,798.24
  4. Step 4: Simplify right side
    80,953.68x = 3,011,423,870.88
  5. Step 5: Solve for x
    x = 3,011,423,870.88/80,953.68
  6. Step 6: Final answer
    x = 37,199.34

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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.