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Finding the Fourth Proportional to 56,400.04, 77,832.05 and 33,739.98

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Solution

The fourth proportional to 56,400.04, 77,832.05 and 33,739.98 is: 46,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,400.04 : 77,832.05 = 33,739.98 : x
  2. Step 2: Convert to fraction form
    56,400.04/77,832.05 = 33,739.98/x
  3. Step 3: Cross multiply
    56,400.04x = 77,832.05 × 33,739.98
  4. Step 4: Simplify right side
    56,400.04x = 2,626,051,641.66
  5. Step 5: Solve for x
    x = 2,626,051,641.66/56,400.04
  6. Step 6: Final answer
    x = 46,561.17

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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.