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Finding the Fourth Proportional to 48,307.60, 72,461.40 and 39,552.40

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Solution

The fourth proportional to 48,307.60, 72,461.40 and 39,552.40 is: 59,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,307.60 : 72,461.40 = 39,552.40 : x
  2. Step 2: Convert to fraction form
    48,307.60/72,461.40 = 39,552.40/x
  3. Step 3: Cross multiply
    48,307.60x = 72,461.40 × 39,552.40
  4. Step 4: Simplify right side
    48,307.60x = 2,866,022,277.36
  5. Step 5: Solve for x
    x = 2,866,022,277.36/48,307.60
  6. Step 6: Final answer
    x = 59,328.60

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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.