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Finding the Fourth Proportional to 70,654.84, 97,502.54 and 38,823.05

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Solution

The fourth proportional to 70,654.84, 97,502.54 and 38,823.05 is: 53,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,654.84 : 97,502.54 = 38,823.05 : x
  2. Step 2: Convert to fraction form
    70,654.84/97,502.54 = 38,823.05/x
  3. Step 3: Cross multiply
    70,654.84x = 97,502.54 × 38,823.05
  4. Step 4: Simplify right side
    70,654.84x = 3,785,346,035.19
  5. Step 5: Solve for x
    x = 3,785,346,035.19/70,654.84
  6. Step 6: Final answer
    x = 53,575.19

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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.