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Finding the Fourth Proportional to 69,501.81, 104,253.12 and 19,582.32

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Solution

The fourth proportional to 69,501.81, 104,253.12 and 19,582.32 is: 29,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,501.81 : 104,253.12 = 19,582.32 : x
  2. Step 2: Convert to fraction form
    69,501.81/104,253.12 = 19,582.32/x
  3. Step 3: Cross multiply
    69,501.81x = 104,253.12 × 19,582.32
  4. Step 4: Simplify right side
    69,501.81x = 2,041,517,956.84
  5. Step 5: Solve for x
    x = 2,041,517,956.84/69,501.81
  6. Step 6: Final answer
    x = 29,373.59

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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.