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Finding the Fourth Proportional to 61,877.44, 85,394.76 and 35,009.72

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Solution

The fourth proportional to 61,877.44, 85,394.76 and 35,009.72 is: 48,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,877.44 : 85,394.76 = 35,009.72 : x
  2. Step 2: Convert to fraction form
    61,877.44/85,394.76 = 35,009.72/x
  3. Step 3: Cross multiply
    61,877.44x = 85,394.76 × 35,009.72
  4. Step 4: Simplify right side
    61,877.44x = 2,989,646,637.07
  5. Step 5: Solve for x
    x = 2,989,646,637.07/61,877.44
  6. Step 6: Final answer
    x = 48,315.62

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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.