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Finding the Fourth Proportional to 46,018.80, 68,979.60 and 26,254.80

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Solution

The fourth proportional to 46,018.80, 68,979.60 and 26,254.80 is: 39,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,018.80 : 68,979.60 = 26,254.80 : x
  2. Step 2: Convert to fraction form
    46,018.80/68,979.60 = 26,254.80/x
  3. Step 3: Cross multiply
    46,018.80x = 68,979.60 × 26,254.80
  4. Step 4: Simplify right side
    46,018.80x = 1,811,045,602.08
  5. Step 5: Solve for x
    x = 1,811,045,602.08/46,018.80
  6. Step 6: Final answer
    x = 39,354.47

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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.