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Finding the Fourth Proportional to 32,602.66, 48,870.90 and 18,533.62

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Solution

The fourth proportional to 32,602.66, 48,870.90 and 18,533.62 is: 27,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,602.66 : 48,870.90 = 18,533.62 : x
  2. Step 2: Convert to fraction form
    32,602.66/48,870.90 = 18,533.62/x
  3. Step 3: Cross multiply
    32,602.66x = 48,870.90 × 18,533.62
  4. Step 4: Simplify right side
    32,602.66x = 905,754,557.22
  5. Step 5: Solve for x
    x = 905,754,557.22/32,602.66
  6. Step 6: Final answer
    x = 27,781.62

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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.