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Finding the Fourth Proportional to 70,790.85, 97,681.01 and 46,879.65

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Solution

The fourth proportional to 70,790.85, 97,681.01 and 46,879.65 is: 64,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,790.85 : 97,681.01 = 46,879.65 : x
  2. Step 2: Convert to fraction form
    70,790.85/97,681.01 = 46,879.65/x
  3. Step 3: Cross multiply
    70,790.85x = 97,681.01 × 46,879.65
  4. Step 4: Simplify right side
    70,790.85x = 4,579,251,326.05
  5. Step 5: Solve for x
    x = 4,579,251,326.05/70,790.85
  6. Step 6: Final answer
    x = 64,687.05

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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.