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Finding the Fourth Proportional to 70,354.78, 97,088.63 and 38,523.68

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Solution

The fourth proportional to 70,354.78, 97,088.63 and 38,523.68 is: 53,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,354.78 : 97,088.63 = 38,523.68 : x
  2. Step 2: Convert to fraction form
    70,354.78/97,088.63 = 38,523.68/x
  3. Step 3: Cross multiply
    70,354.78x = 97,088.63 × 38,523.68
  4. Step 4: Simplify right side
    70,354.78x = 3,740,210,635.70
  5. Step 5: Solve for x
    x = 3,740,210,635.70/70,354.78
  6. Step 6: Final answer
    x = 53,162.14

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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.