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Finding the Fourth Proportional to 14,681.48, 22,005.14 and 7,290.63

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Solution

The fourth proportional to 14,681.48, 22,005.14 and 7,290.63 is: 10,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.48 : 22,005.14 = 7,290.63 : x
  2. Step 2: Convert to fraction form
    14,681.48/22,005.14 = 7,290.63/x
  3. Step 3: Cross multiply
    14,681.48x = 22,005.14 × 7,290.63
  4. Step 4: Simplify right side
    14,681.48x = 160,431,297.39
  5. Step 5: Solve for x
    x = 160,431,297.39/14,681.48
  6. Step 6: Final answer
    x = 10,927.46

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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.