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Finding the Fourth Proportional to 32,205.60, 48,315.60 and 12,482.40

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Solution

The fourth proportional to 32,205.60, 48,315.60 and 12,482.40 is: 18,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,205.60 : 48,315.60 = 12,482.40 : x
  2. Step 2: Convert to fraction form
    32,205.60/48,315.60 = 12,482.40/x
  3. Step 3: Cross multiply
    32,205.60x = 48,315.60 × 12,482.40
  4. Step 4: Simplify right side
    32,205.60x = 603,094,645.44
  5. Step 5: Solve for x
    x = 603,094,645.44/32,205.60
  6. Step 6: Final answer
    x = 18,726.39

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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.