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Finding the Fourth Proportional to 70,416.72, 97,187.83 and 44,931

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Solution

The fourth proportional to 70,416.72, 97,187.83 and 44,931 is: 62,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,416.72 : 97,187.83 = 44,931 : x
  2. Step 2: Convert to fraction form
    70,416.72/97,187.83 = 44,931/x
  3. Step 3: Cross multiply
    70,416.72x = 97,187.83 × 44,931
  4. Step 4: Simplify right side
    70,416.72x = 4,366,746,389.73
  5. Step 5: Solve for x
    x = 4,366,746,389.73/70,416.72
  6. Step 6: Final answer
    x = 62,012.92

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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.