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Finding the Fourth Proportional to 32,018.84, 48,040.86 and 16,215.20

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Solution

The fourth proportional to 32,018.84, 48,040.86 and 16,215.20 is: 24,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,018.84 : 48,040.86 = 16,215.20 : x
  2. Step 2: Convert to fraction form
    32,018.84/48,040.86 = 16,215.20/x
  3. Step 3: Cross multiply
    32,018.84x = 48,040.86 × 16,215.20
  4. Step 4: Simplify right side
    32,018.84x = 778,992,153.07
  5. Step 5: Solve for x
    x = 778,992,153.07/32,018.84
  6. Step 6: Final answer
    x = 24,329.18

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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.