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Finding the Fourth Proportional to 70,300.84, 97,015.16 and 38,469.74

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Solution

The fourth proportional to 70,300.84, 97,015.16 and 38,469.74 is: 53,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,300.84 : 97,015.16 = 38,469.74 : x
  2. Step 2: Convert to fraction form
    70,300.84/97,015.16 = 38,469.74/x
  3. Step 3: Cross multiply
    70,300.84x = 97,015.16 × 38,469.74
  4. Step 4: Simplify right side
    70,300.84x = 3,732,147,788.91
  5. Step 5: Solve for x
    x = 3,732,147,788.91/70,300.84
  6. Step 6: Final answer
    x = 53,088.24

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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.