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Finding the Fourth Proportional to 58,671.68, 80,967.52 and 31,814.24

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Solution

The fourth proportional to 58,671.68, 80,967.52 and 31,814.24 is: 43,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,671.68 : 80,967.52 = 31,814.24 : x
  2. Step 2: Convert to fraction form
    58,671.68/80,967.52 = 31,814.24/x
  3. Step 3: Cross multiply
    58,671.68x = 80,967.52 × 31,814.24
  4. Step 4: Simplify right side
    58,671.68x = 2,575,920,113.48
  5. Step 5: Solve for x
    x = 2,575,920,113.48/58,671.68
  6. Step 6: Final answer
    x = 43,903.98

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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.