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Finding the Fourth Proportional to 39,370.92, 59,041.80 and 14,402.40

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Solution

The fourth proportional to 39,370.92, 59,041.80 and 14,402.40 is: 21,598.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,370.92 : 59,041.80 = 14,402.40 : x
  2. Step 2: Convert to fraction form
    39,370.92/59,041.80 = 14,402.40/x
  3. Step 3: Cross multiply
    39,370.92x = 59,041.80 × 14,402.40
  4. Step 4: Simplify right side
    39,370.92x = 850,343,620.32
  5. Step 5: Solve for x
    x = 850,343,620.32/39,370.92
  6. Step 6: Final answer
    x = 21,598.27

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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.