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Finding the Fourth Proportional to 28,527, 39,354.00 and 18,458.69

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Solution

The fourth proportional to 28,527, 39,354.00 and 18,458.69 is: 25,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527 : 39,354.00 = 18,458.69 : x
  2. Step 2: Convert to fraction form
    28,527/39,354.00 = 18,458.69/x
  3. Step 3: Cross multiply
    28,527x = 39,354.00 × 18,458.69
  4. Step 4: Simplify right side
    28,527x = 726,423,095.58
  5. Step 5: Solve for x
    x = 726,423,095.58/28,527
  6. Step 6: Final answer
    x = 25,464.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.