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Finding the Fourth Proportional to 61,533.40, 84,916.42 and 34,676.32

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Solution

The fourth proportional to 61,533.40, 84,916.42 and 34,676.32 is: 47,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,533.40 : 84,916.42 = 34,676.32 : x
  2. Step 2: Convert to fraction form
    61,533.40/84,916.42 = 34,676.32/x
  3. Step 3: Cross multiply
    61,533.40x = 84,916.42 × 34,676.32
  4. Step 4: Simplify right side
    61,533.40x = 2,944,588,953.17
  5. Step 5: Solve for x
    x = 2,944,588,953.17/61,533.40
  6. Step 6: Final answer
    x = 47,853.51

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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.