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Finding the Fourth Proportional to 35,908.40, 53,830.20 and 23,434.40

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Solution

The fourth proportional to 35,908.40, 53,830.20 and 23,434.40 is: 35,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,908.40 : 53,830.20 = 23,434.40 : x
  2. Step 2: Convert to fraction form
    35,908.40/53,830.20 = 23,434.40/x
  3. Step 3: Cross multiply
    35,908.40x = 53,830.20 × 23,434.40
  4. Step 4: Simplify right side
    35,908.40x = 1,261,478,438.88
  5. Step 5: Solve for x
    x = 1,261,478,438.88/35,908.40
  6. Step 6: Final answer
    x = 35,130.46

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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.