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Finding the Fourth Proportional to 15,264.76, 21,068.94 and 9,950.32

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Solution

The fourth proportional to 15,264.76, 21,068.94 and 9,950.32 is: 13,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.76 : 21,068.94 = 9,950.32 : x
  2. Step 2: Convert to fraction form
    15,264.76/21,068.94 = 9,950.32/x
  3. Step 3: Cross multiply
    15,264.76x = 21,068.94 × 9,950.32
  4. Step 4: Simplify right side
    15,264.76x = 209,642,695.06
  5. Step 5: Solve for x
    x = 209,642,695.06/15,264.76
  6. Step 6: Final answer
    x = 13,733.77

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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.