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Finding the Fourth Proportional to 58,281.95, 80,427.29 and 32,789.74

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Solution

The fourth proportional to 58,281.95, 80,427.29 and 32,789.74 is: 45,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.95 : 80,427.29 = 32,789.74 : x
  2. Step 2: Convert to fraction form
    58,281.95/80,427.29 = 32,789.74/x
  3. Step 3: Cross multiply
    58,281.95x = 80,427.29 × 32,789.74
  4. Step 4: Simplify right side
    58,281.95x = 2,637,189,808.91
  5. Step 5: Solve for x
    x = 2,637,189,808.91/58,281.95
  6. Step 6: Final answer
    x = 45,248.82

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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.