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Finding the Fourth Proportional to 35,465.76, 48,943.08 and 19,550.78

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Solution

The fourth proportional to 35,465.76, 48,943.08 and 19,550.78 is: 26,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.76 : 48,943.08 = 19,550.78 : x
  2. Step 2: Convert to fraction form
    35,465.76/48,943.08 = 19,550.78/x
  3. Step 3: Cross multiply
    35,465.76x = 48,943.08 × 19,550.78
  4. Step 4: Simplify right side
    35,465.76x = 956,875,135.78
  5. Step 5: Solve for x
    x = 956,875,135.78/35,465.76
  6. Step 6: Final answer
    x = 26,980.25

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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.