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Finding the Fourth Proportional to 73,085.60, 109,628.40 and 26,332.40

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Solution

The fourth proportional to 73,085.60, 109,628.40 and 26,332.40 is: 39,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,085.60 : 109,628.40 = 26,332.40 : x
  2. Step 2: Convert to fraction form
    73,085.60/109,628.40 = 26,332.40/x
  3. Step 3: Cross multiply
    73,085.60x = 109,628.40 × 26,332.40
  4. Step 4: Simplify right side
    73,085.60x = 2,886,778,880.16
  5. Step 5: Solve for x
    x = 2,886,778,880.16/73,085.60
  6. Step 6: Final answer
    x = 39,498.60

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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.