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Finding the Fourth Proportional to 60,528.80, 90,620.40 and 37,200.80

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Solution

The fourth proportional to 60,528.80, 90,620.40 and 37,200.80 is: 55,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,528.80 : 90,620.40 = 37,200.80 : x
  2. Step 2: Convert to fraction form
    60,528.80/90,620.40 = 37,200.80/x
  3. Step 3: Cross multiply
    60,528.80x = 90,620.40 × 37,200.80
  4. Step 4: Simplify right side
    60,528.80x = 3,371,151,376.32
  5. Step 5: Solve for x
    x = 3,371,151,376.32/60,528.80
  6. Step 6: Final answer
    x = 55,695.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.