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Finding the Fourth Proportional to 70,071.59, 96,804.11 and 45,929.86

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Solution

The fourth proportional to 70,071.59, 96,804.11 and 45,929.86 is: 63,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,071.59 : 96,804.11 = 45,929.86 : x
  2. Step 2: Convert to fraction form
    70,071.59/96,804.11 = 45,929.86/x
  3. Step 3: Cross multiply
    70,071.59x = 96,804.11 × 45,929.86
  4. Step 4: Simplify right side
    70,071.59x = 4,446,199,219.72
  5. Step 5: Solve for x
    x = 4,446,199,219.72/70,071.59
  6. Step 6: Final answer
    x = 63,452.24

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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.