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Finding the Fourth Proportional to 60,995.96, 91,502.69 and 18,879.74

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Solution

The fourth proportional to 60,995.96, 91,502.69 and 18,879.74 is: 28,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,995.96 : 91,502.69 = 18,879.74 : x
  2. Step 2: Convert to fraction form
    60,995.96/91,502.69 = 18,879.74/x
  3. Step 3: Cross multiply
    60,995.96x = 91,502.69 × 18,879.74
  4. Step 4: Simplify right side
    60,995.96x = 1,727,547,178.06
  5. Step 5: Solve for x
    x = 1,727,547,178.06/60,995.96
  6. Step 6: Final answer
    x = 28,322.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.