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Finding the Fourth Proportional to 35,527.40, 53,188.70 and 21,703.40

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Solution

The fourth proportional to 35,527.40, 53,188.70 and 21,703.40 is: 32,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,527.40 : 53,188.70 = 21,703.40 : x
  2. Step 2: Convert to fraction form
    35,527.40/53,188.70 = 21,703.40/x
  3. Step 3: Cross multiply
    35,527.40x = 53,188.70 × 21,703.40
  4. Step 4: Simplify right side
    35,527.40x = 1,154,375,631.58
  5. Step 5: Solve for x
    x = 1,154,375,631.58/35,527.40
  6. Step 6: Final answer
    x = 32,492.54

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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.