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Finding the Fourth Proportional to 32,599.48, 48,866.40 and 12,870.40

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Solution

The fourth proportional to 32,599.48, 48,866.40 and 12,870.40 is: 19,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,599.48 : 48,866.40 = 12,870.40 : x
  2. Step 2: Convert to fraction form
    32,599.48/48,866.40 = 12,870.40/x
  3. Step 3: Cross multiply
    32,599.48x = 48,866.40 × 12,870.40
  4. Step 4: Simplify right side
    32,599.48x = 628,930,114.56
  5. Step 5: Solve for x
    x = 628,930,114.56/32,599.48
  6. Step 6: Final answer
    x = 19,292.64

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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.