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Finding the Fourth Proportional to 84,000.93, 125,957.65 and 39,615.76

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Solution

The fourth proportional to 84,000.93, 125,957.65 and 39,615.76 is: 59,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,000.93 : 125,957.65 = 39,615.76 : x
  2. Step 2: Convert to fraction form
    84,000.93/125,957.65 = 39,615.76/x
  3. Step 3: Cross multiply
    84,000.93x = 125,957.65 × 39,615.76
  4. Step 4: Simplify right side
    84,000.93x = 4,989,907,834.49
  5. Step 5: Solve for x
    x = 4,989,907,834.49/84,000.93
  6. Step 6: Final answer
    x = 59,403.01

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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.