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Finding the Fourth Proportional to 46,294.48, 69,443 and 28,814.80

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Solution

The fourth proportional to 46,294.48, 69,443 and 28,814.80 is: 43,223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,294.48 : 69,443 = 28,814.80 : x
  2. Step 2: Convert to fraction form
    46,294.48/69,443 = 28,814.80/x
  3. Step 3: Cross multiply
    46,294.48x = 69,443 × 28,814.80
  4. Step 4: Simplify right side
    46,294.48x = 2,000,986,156.40
  5. Step 5: Solve for x
    x = 2,000,986,156.40/46,294.48
  6. Step 6: Final answer
    x = 43,223.00

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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.