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Finding the Fourth Proportional to 65,328.30, 90,024.03 and 46,412.46

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Solution

The fourth proportional to 65,328.30, 90,024.03 and 46,412.46 is: 63,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,328.30 : 90,024.03 = 46,412.46 : x
  2. Step 2: Convert to fraction form
    65,328.30/90,024.03 = 46,412.46/x
  3. Step 3: Cross multiply
    65,328.30x = 90,024.03 × 46,412.46
  4. Step 4: Simplify right side
    65,328.30x = 4,178,236,691.41
  5. Step 5: Solve for x
    x = 4,178,236,691.41/65,328.30
  6. Step 6: Final answer
    x = 63,957.53

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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.