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Finding the Fourth Proportional to 58,785.66, 88,181.82 and 18,808.16

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Solution

The fourth proportional to 58,785.66, 88,181.82 and 18,808.16 is: 28,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,785.66 : 88,181.82 = 18,808.16 : x
  2. Step 2: Convert to fraction form
    58,785.66/88,181.82 = 18,808.16/x
  3. Step 3: Cross multiply
    58,785.66x = 88,181.82 × 18,808.16
  4. Step 4: Simplify right side
    58,785.66x = 1,658,537,779.65
  5. Step 5: Solve for x
    x = 1,658,537,779.65/58,785.66
  6. Step 6: Final answer
    x = 28,213.31

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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.