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Finding the Fourth Proportional to 56,570.81, 78,059.03 and 32,692.87

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Solution

The fourth proportional to 56,570.81, 78,059.03 and 32,692.87 is: 45,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,570.81 : 78,059.03 = 32,692.87 : x
  2. Step 2: Convert to fraction form
    56,570.81/78,059.03 = 32,692.87/x
  3. Step 3: Cross multiply
    56,570.81x = 78,059.03 × 32,692.87
  4. Step 4: Simplify right side
    56,570.81x = 2,551,973,606.70
  5. Step 5: Solve for x
    x = 2,551,973,606.70/56,570.81
  6. Step 6: Final answer
    x = 45,111.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.