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Finding the Fourth Proportional to 60,904.16, 91,367.04 and 21,484.16

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Solution

The fourth proportional to 60,904.16, 91,367.04 and 21,484.16 is: 32,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,904.16 : 91,367.04 = 21,484.16 : x
  2. Step 2: Convert to fraction form
    60,904.16/91,367.04 = 21,484.16/x
  3. Step 3: Cross multiply
    60,904.16x = 91,367.04 × 21,484.16
  4. Step 4: Simplify right side
    60,904.16x = 1,962,944,106.09
  5. Step 5: Solve for x
    x = 1,962,944,106.09/60,904.16
  6. Step 6: Final answer
    x = 32,230.05

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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.