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Finding the Fourth Proportional to 47,602.61, 71,409.99 and 15,999.11

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Solution

The fourth proportional to 47,602.61, 71,409.99 and 15,999.11 is: 24,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,602.61 : 71,409.99 = 15,999.11 : x
  2. Step 2: Convert to fraction form
    47,602.61/71,409.99 = 15,999.11/x
  3. Step 3: Cross multiply
    47,602.61x = 71,409.99 × 15,999.11
  4. Step 4: Simplify right side
    47,602.61x = 1,142,495,928.06
  5. Step 5: Solve for x
    x = 1,142,495,928.06/47,602.61
  6. Step 6: Final answer
    x = 24,000.70

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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.