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Finding the Fourth Proportional to 62,755.08, 86,482.28 and 61,602.16

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Solution

The fourth proportional to 62,755.08, 86,482.28 and 61,602.16 is: 84,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,755.08 : 86,482.28 = 61,602.16 : x
  2. Step 2: Convert to fraction form
    62,755.08/86,482.28 = 61,602.16/x
  3. Step 3: Cross multiply
    62,755.08x = 86,482.28 × 61,602.16
  4. Step 4: Simplify right side
    62,755.08x = 5,327,495,249.72
  5. Step 5: Solve for x
    x = 5,327,495,249.72/62,755.08
  6. Step 6: Final answer
    x = 84,893.45

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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.