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Finding the Fourth Proportional to 52,482.28, 72,424.94 and 28,608.42

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Solution

The fourth proportional to 52,482.28, 72,424.94 and 28,608.42 is: 39,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,482.28 : 72,424.94 = 28,608.42 : x
  2. Step 2: Convert to fraction form
    52,482.28/72,424.94 = 28,608.42/x
  3. Step 3: Cross multiply
    52,482.28x = 72,424.94 × 28,608.42
  4. Step 4: Simplify right side
    52,482.28x = 2,071,963,101.99
  5. Step 5: Solve for x
    x = 2,071,963,101.99/52,482.28
  6. Step 6: Final answer
    x = 39,479.29

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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.