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Finding the Fourth Proportional to 58,195.78, 87,457.15 and 34,506.72

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Solution

The fourth proportional to 58,195.78, 87,457.15 and 34,506.72 is: 51,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,195.78 : 87,457.15 = 34,506.72 : x
  2. Step 2: Convert to fraction form
    58,195.78/87,457.15 = 34,506.72/x
  3. Step 3: Cross multiply
    58,195.78x = 87,457.15 × 34,506.72
  4. Step 4: Simplify right side
    58,195.78x = 3,017,859,387.05
  5. Step 5: Solve for x
    x = 3,017,859,387.05/58,195.78
  6. Step 6: Final answer
    x = 51,857.01

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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.