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Finding the Fourth Proportional to 58,991, 81,407.58 and 32,495

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Solution

The fourth proportional to 58,991, 81,407.58 and 32,495 is: 44,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,991 : 81,407.58 = 32,495 : x
  2. Step 2: Convert to fraction form
    58,991/81,407.58 = 32,495/x
  3. Step 3: Cross multiply
    58,991x = 81,407.58 × 32,495
  4. Step 4: Simplify right side
    58,991x = 2,645,339,312.10
  5. Step 5: Solve for x
    x = 2,645,339,312.10/58,991
  6. Step 6: Final answer
    x = 44,843.10

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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.