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Finding the Fourth Proportional to 22,358, 30,860.52 and 14,906

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Solution

The fourth proportional to 22,358, 30,860.52 and 14,906 is: 20,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358 : 30,860.52 = 14,906 : x
  2. Step 2: Convert to fraction form
    22,358/30,860.52 = 14,906/x
  3. Step 3: Cross multiply
    22,358x = 30,860.52 × 14,906
  4. Step 4: Simplify right side
    22,358x = 460,006,911.12
  5. Step 5: Solve for x
    x = 460,006,911.12/22,358
  6. Step 6: Final answer
    x = 20,574.60

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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.