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Finding the Fourth Proportional to 35,597.70, 53,380.35 and 18,953.46

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Solution

The fourth proportional to 35,597.70, 53,380.35 and 18,953.46 is: 28,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,597.70 : 53,380.35 = 18,953.46 : x
  2. Step 2: Convert to fraction form
    35,597.70/53,380.35 = 18,953.46/x
  3. Step 3: Cross multiply
    35,597.70x = 53,380.35 × 18,953.46
  4. Step 4: Simplify right side
    35,597.70x = 1,011,742,328.51
  5. Step 5: Solve for x
    x = 1,011,742,328.51/35,597.70
  6. Step 6: Final answer
    x = 28,421.56

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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.