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Finding the Fourth Proportional to 70,984.82, 97,957.33 and 39,153.03

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Solution

The fourth proportional to 70,984.82, 97,957.33 and 39,153.03 is: 54,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,984.82 : 97,957.33 = 39,153.03 : x
  2. Step 2: Convert to fraction form
    70,984.82/97,957.33 = 39,153.03/x
  3. Step 3: Cross multiply
    70,984.82x = 97,957.33 × 39,153.03
  4. Step 4: Simplify right side
    70,984.82x = 3,835,326,280.21
  5. Step 5: Solve for x
    x = 3,835,326,280.21/70,984.82
  6. Step 6: Final answer
    x = 54,030.23

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1.5x scale

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.