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Finding the Fourth Proportional to 63,068.60, 87,030.70 and 34,774.52

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Solution

The fourth proportional to 63,068.60, 87,030.70 and 34,774.52 is: 47,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,068.60 : 87,030.70 = 34,774.52 : x
  2. Step 2: Convert to fraction form
    63,068.60/87,030.70 = 34,774.52/x
  3. Step 3: Cross multiply
    63,068.60x = 87,030.70 × 34,774.52
  4. Step 4: Simplify right side
    63,068.60x = 3,026,450,817.76
  5. Step 5: Solve for x
    x = 3,026,450,817.76/63,068.60
  6. Step 6: Final answer
    x = 47,986.65

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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.