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Finding the Fourth Proportional to 35,465.80, 48,942.93 and 19,549.90

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Solution

The fourth proportional to 35,465.80, 48,942.93 and 19,549.90 is: 26,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.80 : 48,942.93 = 19,549.90 : x
  2. Step 2: Convert to fraction form
    35,465.80/48,942.93 = 19,549.90/x
  3. Step 3: Cross multiply
    35,465.80x = 48,942.93 × 19,549.90
  4. Step 4: Simplify right side
    35,465.80x = 956,829,387.21
  5. Step 5: Solve for x
    x = 956,829,387.21/35,465.80
  6. Step 6: Final answer
    x = 26,978.93

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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.