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Finding the Fourth Proportional to 14,907.68, 22,367.62 and 7,885.80

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Solution

The fourth proportional to 14,907.68, 22,367.62 and 7,885.80 is: 11,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.68 : 22,367.62 = 7,885.80 : x
  2. Step 2: Convert to fraction form
    14,907.68/22,367.62 = 7,885.80/x
  3. Step 3: Cross multiply
    14,907.68x = 22,367.62 × 7,885.80
  4. Step 4: Simplify right side
    14,907.68x = 176,386,577.80
  5. Step 5: Solve for x
    x = 176,386,577.80/14,907.68
  6. Step 6: Final answer
    x = 11,831.93

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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.