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Finding the Fourth Proportional to 56,564.55, 78,054.53 and 32,692.77

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Solution

The fourth proportional to 56,564.55, 78,054.53 and 32,692.77 is: 45,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,564.55 : 78,054.53 = 32,692.77 : x
  2. Step 2: Convert to fraction form
    56,564.55/78,054.53 = 32,692.77/x
  3. Step 3: Cross multiply
    56,564.55x = 78,054.53 × 32,692.77
  4. Step 4: Simplify right side
    56,564.55x = 2,551,818,633.28
  5. Step 5: Solve for x
    x = 2,551,818,633.28/56,564.55
  6. Step 6: Final answer
    x = 45,113.39

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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.