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Finding the Fourth Proportional to 56,339.66, 77,762.63 and 33,692.06

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Solution

The fourth proportional to 56,339.66, 77,762.63 and 33,692.06 is: 46,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.66 : 77,762.63 = 33,692.06 : x
  2. Step 2: Convert to fraction form
    56,339.66/77,762.63 = 33,692.06/x
  3. Step 3: Cross multiply
    56,339.66x = 77,762.63 × 33,692.06
  4. Step 4: Simplify right side
    56,339.66x = 2,619,983,195.72
  5. Step 5: Solve for x
    x = 2,619,983,195.72/56,339.66
  6. Step 6: Final answer
    x = 46,503.35

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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.