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Finding the Fourth Proportional to 58,321.42, 80,464.31 and 47,547.77

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Solution

The fourth proportional to 58,321.42, 80,464.31 and 47,547.77 is: 65,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,321.42 : 80,464.31 = 47,547.77 : x
  2. Step 2: Convert to fraction form
    58,321.42/80,464.31 = 47,547.77/x
  3. Step 3: Cross multiply
    58,321.42x = 80,464.31 × 47,547.77
  4. Step 4: Simplify right side
    58,321.42x = 3,825,898,345.07
  5. Step 5: Solve for x
    x = 3,825,898,345.07/58,321.42
  6. Step 6: Final answer
    x = 65,600.23

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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.