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Finding the Fourth Proportional to 35,535.60, 53,319.60 and 16,808.40

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Solution

The fourth proportional to 35,535.60, 53,319.60 and 16,808.40 is: 25,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,535.60 : 53,319.60 = 16,808.40 : x
  2. Step 2: Convert to fraction form
    35,535.60/53,319.60 = 16,808.40/x
  3. Step 3: Cross multiply
    35,535.60x = 53,319.60 × 16,808.40
  4. Step 4: Simplify right side
    35,535.60x = 896,217,164.64
  5. Step 5: Solve for x
    x = 896,217,164.64/35,535.60
  6. Step 6: Final answer
    x = 25,220.26

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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.