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Finding the Fourth Proportional to 58,407.51, 80,602.35 and 31,550.02

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Solution

The fourth proportional to 58,407.51, 80,602.35 and 31,550.02 is: 43,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,407.51 : 80,602.35 = 31,550.02 : x
  2. Step 2: Convert to fraction form
    58,407.51/80,602.35 = 31,550.02/x
  3. Step 3: Cross multiply
    58,407.51x = 80,602.35 × 31,550.02
  4. Step 4: Simplify right side
    58,407.51x = 2,543,005,193.79
  5. Step 5: Solve for x
    x = 2,543,005,193.79/58,407.51
  6. Step 6: Final answer
    x = 43,539.01

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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.