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Finding the Fourth Proportional to 77,573.34, 107,017.47 and 48,875.58

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Solution

The fourth proportional to 77,573.34, 107,017.47 and 48,875.58 is: 67,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,573.34 : 107,017.47 = 48,875.58 : x
  2. Step 2: Convert to fraction form
    77,573.34/107,017.47 = 48,875.58/x
  3. Step 3: Cross multiply
    77,573.34x = 107,017.47 × 48,875.58
  4. Step 4: Simplify right side
    77,573.34x = 5,230,540,916.38
  5. Step 5: Solve for x
    x = 5,230,540,916.38/77,573.34
  6. Step 6: Final answer
    x = 67,427.04

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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.