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Finding the Fourth Proportional to 77,310.01, 106,686.01 and 45,480.96

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Solution

The fourth proportional to 77,310.01, 106,686.01 and 45,480.96 is: 62,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,310.01 : 106,686.01 = 45,480.96 : x
  2. Step 2: Convert to fraction form
    77,310.01/106,686.01 = 45,480.96/x
  3. Step 3: Cross multiply
    77,310.01x = 106,686.01 × 45,480.96
  4. Step 4: Simplify right side
    77,310.01x = 4,852,182,210.22
  5. Step 5: Solve for x
    x = 4,852,182,210.22/77,310.01
  6. Step 6: Final answer
    x = 62,762.66

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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.