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Finding the Fourth Proportional to 35,674.80, 49,223.64 and 21,527.40

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Solution

The fourth proportional to 35,674.80, 49,223.64 and 21,527.40 is: 29,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,674.80 : 49,223.64 = 21,527.40 : x
  2. Step 2: Convert to fraction form
    35,674.80/49,223.64 = 21,527.40/x
  3. Step 3: Cross multiply
    35,674.80x = 49,223.64 × 21,527.40
  4. Step 4: Simplify right side
    35,674.80x = 1,059,656,987.74
  5. Step 5: Solve for x
    x = 1,059,656,987.74/35,674.80
  6. Step 6: Final answer
    x = 29,703.24

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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.