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Finding the Fourth Proportional to 60,599.20, 90,412.04 and 53,946.40

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Solution

The fourth proportional to 60,599.20, 90,412.04 and 53,946.40 is: 80,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,599.20 : 90,412.04 = 53,946.40 : x
  2. Step 2: Convert to fraction form
    60,599.20/90,412.04 = 53,946.40/x
  3. Step 3: Cross multiply
    60,599.20x = 90,412.04 × 53,946.40
  4. Step 4: Simplify right side
    60,599.20x = 4,877,404,074.66
  5. Step 5: Solve for x
    x = 4,877,404,074.66/60,599.20
  6. Step 6: Final answer
    x = 80,486.28

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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.