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Finding the Fourth Proportional to 26,681.92, 40,022.87 and 10,045.68

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Solution

The fourth proportional to 26,681.92, 40,022.87 and 10,045.68 is: 15,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,681.92 : 40,022.87 = 10,045.68 : x
  2. Step 2: Convert to fraction form
    26,681.92/40,022.87 = 10,045.68/x
  3. Step 3: Cross multiply
    26,681.92x = 40,022.87 × 10,045.68
  4. Step 4: Simplify right side
    26,681.92x = 402,056,979.23
  5. Step 5: Solve for x
    x = 402,056,979.23/26,681.92
  6. Step 6: Final answer
    x = 15,068.52

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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.