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Finding the Fourth Proportional to 59,878.40, 82,630.68 and 34,389.32

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Solution

The fourth proportional to 59,878.40, 82,630.68 and 34,389.32 is: 47,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,878.40 : 82,630.68 = 34,389.32 : x
  2. Step 2: Convert to fraction form
    59,878.40/82,630.68 = 34,389.32/x
  3. Step 3: Cross multiply
    59,878.40x = 82,630.68 × 34,389.32
  4. Step 4: Simplify right side
    59,878.40x = 2,841,612,896.34
  5. Step 5: Solve for x
    x = 2,841,612,896.34/59,878.40
  6. Step 6: Final answer
    x = 47,456.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.