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Finding the Fourth Proportional to 70,107.77, 96,748.21 and 38,276.67

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Solution

The fourth proportional to 70,107.77, 96,748.21 and 38,276.67 is: 52,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,107.77 : 96,748.21 = 38,276.67 : x
  2. Step 2: Convert to fraction form
    70,107.77/96,748.21 = 38,276.67/x
  3. Step 3: Cross multiply
    70,107.77x = 96,748.21 × 38,276.67
  4. Step 4: Simplify right side
    70,107.77x = 3,703,199,307.26
  5. Step 5: Solve for x
    x = 3,703,199,307.26/70,107.77
  6. Step 6: Final answer
    x = 52,821.52

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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.