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Finding the Fourth Proportional to 16,848,428.40, 25,272,642.60 and 16,680,466.80

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Solution

The fourth proportional to 16,848,428.40, 25,272,642.60 and 16,680,466.80 is: 25,020,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,848,428.40 : 25,272,642.60 = 16,680,466.80 : x
  2. Step 2: Convert to fraction form
    16,848,428.40/25,272,642.60 = 16,680,466.80/x
  3. Step 3: Cross multiply
    16,848,428.40x = 25,272,642.60 × 16,680,466.80
  4. Step 4: Simplify right side
    16,848,428.40x = 421,559,475,837,565.75
  5. Step 5: Solve for x
    x = 421,559,475,837,565.75/16,848,428.40
  6. Step 6: Final answer
    x = 25,020,700.20

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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.