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Finding the Fourth Proportional to 26,970.40, 40,465.20 and 26,010.40

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Solution

The fourth proportional to 26,970.40, 40,465.20 and 26,010.40 is: 39,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.40 : 40,465.20 = 26,010.40 : x
  2. Step 2: Convert to fraction form
    26,970.40/40,465.20 = 26,010.40/x
  3. Step 3: Cross multiply
    26,970.40x = 40,465.20 × 26,010.40
  4. Step 4: Simplify right side
    26,970.40x = 1,052,516,038.08
  5. Step 5: Solve for x
    x = 1,052,516,038.08/26,970.40
  6. Step 6: Final answer
    x = 39,024.86

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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.