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Finding the Fourth Proportional to 28,599.37, 42,873.54 and 14,551.54

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Solution

The fourth proportional to 28,599.37, 42,873.54 and 14,551.54 is: 21,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.37 : 42,873.54 = 14,551.54 : x
  2. Step 2: Convert to fraction form
    28,599.37/42,873.54 = 14,551.54/x
  3. Step 3: Cross multiply
    28,599.37x = 42,873.54 × 14,551.54
  4. Step 4: Simplify right side
    28,599.37x = 623,875,870.50
  5. Step 5: Solve for x
    x = 623,875,870.50/28,599.37
  6. Step 6: Final answer
    x = 21,814.32

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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.