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Finding the Fourth Proportional to 61,977, 93,302.73 and 56,465.76

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Solution

The fourth proportional to 61,977, 93,302.73 and 56,465.76 is: 85,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977 : 93,302.73 = 56,465.76 : x
  2. Step 2: Convert to fraction form
    61,977/93,302.73 = 56,465.76/x
  3. Step 3: Cross multiply
    61,977x = 93,302.73 × 56,465.76
  4. Step 4: Simplify right side
    61,977x = 5,268,409,559.52
  5. Step 5: Solve for x
    x = 5,268,409,559.52/61,977
  6. Step 6: Final answer
    x = 85,005.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.