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Finding the Fourth Proportional to 42,243, 63,294.53 and 29,701.76

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Solution

The fourth proportional to 42,243, 63,294.53 and 29,701.76 is: 44,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,243 : 63,294.53 = 29,701.76 : x
  2. Step 2: Convert to fraction form
    42,243/63,294.53 = 29,701.76/x
  3. Step 3: Cross multiply
    42,243x = 63,294.53 × 29,701.76
  4. Step 4: Simplify right side
    42,243x = 1,879,958,939.37
  5. Step 5: Solve for x
    x = 1,879,958,939.37/42,243
  6. Step 6: Final answer
    x = 44,503.44

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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.