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Finding the Fourth Proportional to 70,763.04, 97,693.29 and 46,921.91

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Solution

The fourth proportional to 70,763.04, 97,693.29 and 46,921.91 is: 64,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,763.04 : 97,693.29 = 46,921.91 : x
  2. Step 2: Convert to fraction form
    70,763.04/97,693.29 = 46,921.91/x
  3. Step 3: Cross multiply
    70,763.04x = 97,693.29 × 46,921.91
  4. Step 4: Simplify right side
    70,763.04x = 4,583,955,272.52
  5. Step 5: Solve for x
    x = 4,583,955,272.52/70,763.04
  6. Step 6: Final answer
    x = 64,778.95

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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.