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Finding the Fourth Proportional to 32,599.61, 48,811.79 and 20,688.89

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Solution

The fourth proportional to 32,599.61, 48,811.79 and 20,688.89 is: 30,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,599.61 : 48,811.79 = 20,688.89 : x
  2. Step 2: Convert to fraction form
    32,599.61/48,811.79 = 20,688.89/x
  3. Step 3: Cross multiply
    32,599.61x = 48,811.79 × 20,688.89
  4. Step 4: Simplify right side
    32,599.61x = 1,009,861,406.51
  5. Step 5: Solve for x
    x = 1,009,861,406.51/32,599.61
  6. Step 6: Final answer
    x = 30,977.72

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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.