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Finding the Fourth Proportional to 70,296.88, 97,009.80 and 38,466.01

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Solution

The fourth proportional to 70,296.88, 97,009.80 and 38,466.01 is: 53,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,296.88 : 97,009.80 = 38,466.01 : x
  2. Step 2: Convert to fraction form
    70,296.88/97,009.80 = 38,466.01/x
  3. Step 3: Cross multiply
    70,296.88x = 97,009.80 × 38,466.01
  4. Step 4: Simplify right side
    70,296.88x = 3,731,579,936.90
  5. Step 5: Solve for x
    x = 3,731,579,936.90/70,296.88
  6. Step 6: Final answer
    x = 53,083.15

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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.