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Finding the Fourth Proportional to 70,368.60, 97,108.83 and 38,103.27

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Solution

The fourth proportional to 70,368.60, 97,108.83 and 38,103.27 is: 52,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368.60 : 97,108.83 = 38,103.27 : x
  2. Step 2: Convert to fraction form
    70,368.60/97,108.83 = 38,103.27/x
  3. Step 3: Cross multiply
    70,368.60x = 97,108.83 × 38,103.27
  4. Step 4: Simplify right side
    70,368.60x = 3,700,163,968.87
  5. Step 5: Solve for x
    x = 3,700,163,968.87/70,368.60
  6. Step 6: Final answer
    x = 52,582.60

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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.