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Finding the Fourth Proportional to 15,752.57, 21,746.58 and 10,674.91

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Solution

The fourth proportional to 15,752.57, 21,746.58 and 10,674.91 is: 14,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752.57 : 21,746.58 = 10,674.91 : x
  2. Step 2: Convert to fraction form
    15,752.57/21,746.58 = 10,674.91/x
  3. Step 3: Cross multiply
    15,752.57x = 21,746.58 × 10,674.91
  4. Step 4: Simplify right side
    15,752.57x = 232,142,823.00
  5. Step 5: Solve for x
    x = 232,142,823.00/15,752.57
  6. Step 6: Final answer
    x = 14,736.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.