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Finding the Fourth Proportional to 58,326.16, 80,509.80 and 40,444.88

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Solution

The fourth proportional to 58,326.16, 80,509.80 and 40,444.88 is: 55,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,326.16 : 80,509.80 = 40,444.88 : x
  2. Step 2: Convert to fraction form
    58,326.16/80,509.80 = 40,444.88/x
  3. Step 3: Cross multiply
    58,326.16x = 80,509.80 × 40,444.88
  4. Step 4: Simplify right side
    58,326.16x = 3,256,209,199.82
  5. Step 5: Solve for x
    x = 3,256,209,199.82/58,326.16
  6. Step 6: Final answer
    x = 55,827.59

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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.