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Finding the Fourth Proportional to 35,230.40, 52,852.80 and 11,859.20

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Solution

The fourth proportional to 35,230.40, 52,852.80 and 11,859.20 is: 17,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.40 : 52,852.80 = 11,859.20 : x
  2. Step 2: Convert to fraction form
    35,230.40/52,852.80 = 11,859.20/x
  3. Step 3: Cross multiply
    35,230.40x = 52,852.80 × 11,859.20
  4. Step 4: Simplify right side
    35,230.40x = 626,791,925.76
  5. Step 5: Solve for x
    x = 626,791,925.76/35,230.40
  6. Step 6: Final answer
    x = 17,791.22

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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.