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Finding the Fourth Proportional to 70,291.93, 97,002.75 and 38,460.96

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Solution

The fourth proportional to 70,291.93, 97,002.75 and 38,460.96 is: 53,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,291.93 : 97,002.75 = 38,460.96 : x
  2. Step 2: Convert to fraction form
    70,291.93/97,002.75 = 38,460.96/x
  3. Step 3: Cross multiply
    70,291.93x = 97,002.75 × 38,460.96
  4. Step 4: Simplify right side
    70,291.93x = 3,730,818,887.64
  5. Step 5: Solve for x
    x = 3,730,818,887.64/70,291.93
  6. Step 6: Final answer
    x = 53,076.06

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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.