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Finding the Fourth Proportional to 22,965.38, 34,455.76 and 8,925.87

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Solution

The fourth proportional to 22,965.38, 34,455.76 and 8,925.87 is: 13,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,965.38 : 34,455.76 = 8,925.87 : x
  2. Step 2: Convert to fraction form
    22,965.38/34,455.76 = 8,925.87/x
  3. Step 3: Cross multiply
    22,965.38x = 34,455.76 × 8,925.87
  4. Step 4: Simplify right side
    22,965.38x = 307,547,741.41
  5. Step 5: Solve for x
    x = 307,547,741.41/22,965.38
  6. Step 6: Final answer
    x = 13,391.80

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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.