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Finding the Fourth Proportional to 62,090, 85,689.32 and 35,599.12

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Solution

The fourth proportional to 62,090, 85,689.32 and 35,599.12 is: 49,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,090 : 85,689.32 = 35,599.12 : x
  2. Step 2: Convert to fraction form
    62,090/85,689.32 = 35,599.12/x
  3. Step 3: Cross multiply
    62,090x = 85,689.32 × 35,599.12
  4. Step 4: Simplify right side
    62,090x = 3,050,464,385.40
  5. Step 5: Solve for x
    x = 3,050,464,385.40/62,090
  6. Step 6: Final answer
    x = 49,129.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.