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Finding the Fourth Proportional to 60,715.04, 90,597.64 and 54,410.80

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Solution

The fourth proportional to 60,715.04, 90,597.64 and 54,410.80 is: 81,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,715.04 : 90,597.64 = 54,410.80 : x
  2. Step 2: Convert to fraction form
    60,715.04/90,597.64 = 54,410.80/x
  3. Step 3: Cross multiply
    60,715.04x = 90,597.64 × 54,410.80
  4. Step 4: Simplify right side
    60,715.04x = 4,929,490,070.51
  5. Step 5: Solve for x
    x = 4,929,490,070.51/60,715.04
  6. Step 6: Final answer
    x = 81,190.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.