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Finding the Fourth Proportional to 17,958,275.64, 26,931,737.64 and 6,443,485.56

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Solution

The fourth proportional to 17,958,275.64, 26,931,737.64 and 6,443,485.56 is: 9,663,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958,275.64 : 26,931,737.64 = 6,443,485.56 : x
  2. Step 2: Convert to fraction form
    17,958,275.64/26,931,737.64 = 6,443,485.56/x
  3. Step 3: Cross multiply
    17,958,275.64x = 26,931,737.64 × 6,443,485.56
  4. Step 4: Simplify right side
    17,958,275.64x = 173,534,262,589,048.47
  5. Step 5: Solve for x
    x = 173,534,262,589,048.47/17,958,275.64
  6. Step 6: Final answer
    x = 9,663,191.84

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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.