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Finding the Fourth Proportional to 16,281.55, 24,425.93 and 6,929.51

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Solution

The fourth proportional to 16,281.55, 24,425.93 and 6,929.51 is: 10,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,281.55 : 24,425.93 = 6,929.51 : x
  2. Step 2: Convert to fraction form
    16,281.55/24,425.93 = 6,929.51/x
  3. Step 3: Cross multiply
    16,281.55x = 24,425.93 × 6,929.51
  4. Step 4: Simplify right side
    16,281.55x = 169,259,726.19
  5. Step 5: Solve for x
    x = 169,259,726.19/16,281.55
  6. Step 6: Final answer
    x = 10,395.80

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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.