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Finding the Fourth Proportional to 70,630.50, 97,495.68 and 46,764.86

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Solution

The fourth proportional to 70,630.50, 97,495.68 and 46,764.86 is: 64,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,630.50 : 97,495.68 = 46,764.86 : x
  2. Step 2: Convert to fraction form
    70,630.50/97,495.68 = 46,764.86/x
  3. Step 3: Cross multiply
    70,630.50x = 97,495.68 × 46,764.86
  4. Step 4: Simplify right side
    70,630.50x = 4,559,371,667.53
  5. Step 5: Solve for x
    x = 4,559,371,667.53/70,630.50
  6. Step 6: Final answer
    x = 64,552.45

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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.