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Finding the Fourth Proportional to 35,486.94, 48,970.22 and 21,337.04

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Solution

The fourth proportional to 35,486.94, 48,970.22 and 21,337.04 is: 29,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.94 : 48,970.22 = 21,337.04 : x
  2. Step 2: Convert to fraction form
    35,486.94/48,970.22 = 21,337.04/x
  3. Step 3: Cross multiply
    35,486.94x = 48,970.22 × 21,337.04
  4. Step 4: Simplify right side
    35,486.94x = 1,044,879,542.95
  5. Step 5: Solve for x
    x = 1,044,879,542.95/35,486.94
  6. Step 6: Final answer
    x = 29,444.06

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1.5x scale

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.