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Finding the Fourth Proportional to 60,341.18, 90,394.04 and 39,501.50

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Solution

The fourth proportional to 60,341.18, 90,394.04 and 39,501.50 is: 59,175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,341.18 : 90,394.04 = 39,501.50 : x
  2. Step 2: Convert to fraction form
    60,341.18/90,394.04 = 39,501.50/x
  3. Step 3: Cross multiply
    60,341.18x = 90,394.04 × 39,501.50
  4. Step 4: Simplify right side
    60,341.18x = 3,570,700,171.06
  5. Step 5: Solve for x
    x = 3,570,700,171.06/60,341.18
  6. Step 6: Final answer
    x = 59,175.18

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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.