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Finding the Fourth Proportional to 32,537.60, 48,806.40 and 7,913.60

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Solution

The fourth proportional to 32,537.60, 48,806.40 and 7,913.60 is: 11,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,537.60 : 48,806.40 = 7,913.60 : x
  2. Step 2: Convert to fraction form
    32,537.60/48,806.40 = 7,913.60/x
  3. Step 3: Cross multiply
    32,537.60x = 48,806.40 × 7,913.60
  4. Step 4: Simplify right side
    32,537.60x = 386,234,327.04
  5. Step 5: Solve for x
    x = 386,234,327.04/32,537.60
  6. Step 6: Final answer
    x = 11,870.40

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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.