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Finding the Fourth Proportional to 58,763.58, 81,085.58 and 34,565.64

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Solution

The fourth proportional to 58,763.58, 81,085.58 and 34,565.64 is: 47,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,763.58 : 81,085.58 = 34,565.64 : x
  2. Step 2: Convert to fraction form
    58,763.58/81,085.58 = 34,565.64/x
  3. Step 3: Cross multiply
    58,763.58x = 81,085.58 × 34,565.64
  4. Step 4: Simplify right side
    58,763.58x = 2,802,774,967.47
  5. Step 5: Solve for x
    x = 2,802,774,967.47/58,763.58
  6. Step 6: Final answer
    x = 47,695.78

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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.