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Finding the Fourth Proportional to 28,602.63, 42,920.06 and 22,345.10

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Solution

The fourth proportional to 28,602.63, 42,920.06 and 22,345.10 is: 33,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.63 : 42,920.06 = 22,345.10 : x
  2. Step 2: Convert to fraction form
    28,602.63/42,920.06 = 22,345.10/x
  3. Step 3: Cross multiply
    28,602.63x = 42,920.06 × 22,345.10
  4. Step 4: Simplify right side
    28,602.63x = 959,052,706.38
  5. Step 5: Solve for x
    x = 959,052,706.38/28,602.63
  6. Step 6: Final answer
    x = 33,530.23

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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.