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Finding the Fourth Proportional to 14,792.15, 22,191.76 and 4,931.51

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Solution

The fourth proportional to 14,792.15, 22,191.76 and 4,931.51 is: 7,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,792.15 : 22,191.76 = 4,931.51 : x
  2. Step 2: Convert to fraction form
    14,792.15/22,191.76 = 4,931.51/x
  3. Step 3: Cross multiply
    14,792.15x = 22,191.76 × 4,931.51
  4. Step 4: Simplify right side
    14,792.15x = 109,438,886.36
  5. Step 5: Solve for x
    x = 109,438,886.36/14,792.15
  6. Step 6: Final answer
    x = 7,398.44

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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.