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Finding the Fourth Proportional to 56,613.70, 84,823.35 and 46,699.30

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Solution

The fourth proportional to 56,613.70, 84,823.35 and 46,699.30 is: 69,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,613.70 : 84,823.35 = 46,699.30 : x
  2. Step 2: Convert to fraction form
    56,613.70/84,823.35 = 46,699.30/x
  3. Step 3: Cross multiply
    56,613.70x = 84,823.35 × 46,699.30
  4. Step 4: Simplify right side
    56,613.70x = 3,961,191,068.66
  5. Step 5: Solve for x
    x = 3,961,191,068.66/56,613.70
  6. Step 6: Final answer
    x = 69,968.77

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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.