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Finding the Fourth Proportional to 60,617.39, 83,623.05 and 47,096.10

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Solution

The fourth proportional to 60,617.39, 83,623.05 and 47,096.10 is: 64,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,617.39 : 83,623.05 = 47,096.10 : x
  2. Step 2: Convert to fraction form
    60,617.39/83,623.05 = 47,096.10/x
  3. Step 3: Cross multiply
    60,617.39x = 83,623.05 × 47,096.10
  4. Step 4: Simplify right side
    60,617.39x = 3,938,319,525.11
  5. Step 5: Solve for x
    x = 3,938,319,525.11/60,617.39
  6. Step 6: Final answer
    x = 64,970.13

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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.