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Finding the Fourth Proportional to 56,407.80, 77,859.88 and 32,550.08

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Solution

The fourth proportional to 56,407.80, 77,859.88 and 32,550.08 is: 44,928.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,407.80 : 77,859.88 = 32,550.08 : x
  2. Step 2: Convert to fraction form
    56,407.80/77,859.88 = 32,550.08/x
  3. Step 3: Cross multiply
    56,407.80x = 77,859.88 × 32,550.08
  4. Step 4: Simplify right side
    56,407.80x = 2,534,345,322.79
  5. Step 5: Solve for x
    x = 2,534,345,322.79/56,407.80
  6. Step 6: Final answer
    x = 44,928.99

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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.