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Finding the Fourth Proportional to 58,779.48, 81,117.57 and 33,285.48

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Solution

The fourth proportional to 58,779.48, 81,117.57 and 33,285.48 is: 45,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,779.48 : 81,117.57 = 33,285.48 : x
  2. Step 2: Convert to fraction form
    58,779.48/81,117.57 = 33,285.48/x
  3. Step 3: Cross multiply
    58,779.48x = 81,117.57 × 33,285.48
  4. Step 4: Simplify right side
    58,779.48x = 2,700,037,253.88
  5. Step 5: Solve for x
    x = 2,700,037,253.88/58,779.48
  6. Step 6: Final answer
    x = 45,935.03

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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.