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Finding the Fourth Proportional to 58,307.60, 87,461.40 and 21,366.80

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Solution

The fourth proportional to 58,307.60, 87,461.40 and 21,366.80 is: 32,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,307.60 : 87,461.40 = 21,366.80 : x
  2. Step 2: Convert to fraction form
    58,307.60/87,461.40 = 21,366.80/x
  3. Step 3: Cross multiply
    58,307.60x = 87,461.40 × 21,366.80
  4. Step 4: Simplify right side
    58,307.60x = 1,868,770,241.52
  5. Step 5: Solve for x
    x = 1,868,770,241.52/58,307.60
  6. Step 6: Final answer
    x = 32,050.20

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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.