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Finding the Fourth Proportional to 14,830.64, 22,239.48 and 7,041.68

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Solution

The fourth proportional to 14,830.64, 22,239.48 and 7,041.68 is: 10,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.64 : 22,239.48 = 7,041.68 : x
  2. Step 2: Convert to fraction form
    14,830.64/22,239.48 = 7,041.68/x
  3. Step 3: Cross multiply
    14,830.64x = 22,239.48 × 7,041.68
  4. Step 4: Simplify right side
    14,830.64x = 156,603,301.53
  5. Step 5: Solve for x
    x = 156,603,301.53/14,830.64
  6. Step 6: Final answer
    x = 10,559.44

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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.