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Finding the Fourth Proportional to 61,341.96, 84,646.02 and 34,478.28

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Solution

The fourth proportional to 61,341.96, 84,646.02 and 34,478.28 is: 47,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,341.96 : 84,646.02 = 34,478.28 : x
  2. Step 2: Convert to fraction form
    61,341.96/84,646.02 = 34,478.28/x
  3. Step 3: Cross multiply
    61,341.96x = 84,646.02 × 34,478.28
  4. Step 4: Simplify right side
    61,341.96x = 2,918,449,178.45
  5. Step 5: Solve for x
    x = 2,918,449,178.45/61,341.96
  6. Step 6: Final answer
    x = 47,576.72

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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.