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Finding the Fourth Proportional to 58,867.60, 88,301.40 and 40,205.20

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Solution

The fourth proportional to 58,867.60, 88,301.40 and 40,205.20 is: 60,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,867.60 : 88,301.40 = 40,205.20 : x
  2. Step 2: Convert to fraction form
    58,867.60/88,301.40 = 40,205.20/x
  3. Step 3: Cross multiply
    58,867.60x = 88,301.40 × 40,205.20
  4. Step 4: Simplify right side
    58,867.60x = 3,550,175,447.28
  5. Step 5: Solve for x
    x = 3,550,175,447.28/58,867.60
  6. Step 6: Final answer
    x = 60,307.80

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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.