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Finding the Fourth Proportional to 56,085.98, 84,128.99 and 16,642.74

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Solution

The fourth proportional to 56,085.98, 84,128.99 and 16,642.74 is: 24,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,085.98 : 84,128.99 = 16,642.74 : x
  2. Step 2: Convert to fraction form
    56,085.98/84,128.99 = 16,642.74/x
  3. Step 3: Cross multiply
    56,085.98x = 84,128.99 × 16,642.74
  4. Step 4: Simplify right side
    56,085.98x = 1,400,136,948.64
  5. Step 5: Solve for x
    x = 1,400,136,948.64/56,085.98
  6. Step 6: Final answer
    x = 24,964.12

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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.