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Finding the Fourth Proportional to 53,752.76, 80,630.55 and 14,309.94

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Solution

The fourth proportional to 53,752.76, 80,630.55 and 14,309.94 is: 21,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,752.76 : 80,630.55 = 14,309.94 : x
  2. Step 2: Convert to fraction form
    53,752.76/80,630.55 = 14,309.94/x
  3. Step 3: Cross multiply
    53,752.76x = 80,630.55 × 14,309.94
  4. Step 4: Simplify right side
    53,752.76x = 1,153,818,332.67
  5. Step 5: Solve for x
    x = 1,153,818,332.67/53,752.76
  6. Step 6: Final answer
    x = 21,465.29

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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.