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Finding the Fourth Proportional to 70,416.68, 97,174.69 and 38,585.40

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Solution

The fourth proportional to 70,416.68, 97,174.69 and 38,585.40 is: 53,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,416.68 : 97,174.69 = 38,585.40 : x
  2. Step 2: Convert to fraction form
    70,416.68/97,174.69 = 38,585.40/x
  3. Step 3: Cross multiply
    70,416.68x = 97,174.69 × 38,585.40
  4. Step 4: Simplify right side
    70,416.68x = 3,749,523,822.66
  5. Step 5: Solve for x
    x = 3,749,523,822.66/70,416.68
  6. Step 6: Final answer
    x = 53,247.67

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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.