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Finding the Fourth Proportional to 25,560, 35,276.04 and 14,384.16

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Solution

The fourth proportional to 25,560, 35,276.04 and 14,384.16 is: 19,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,560 : 35,276.04 = 14,384.16 : x
  2. Step 2: Convert to fraction form
    25,560/35,276.04 = 14,384.16/x
  3. Step 3: Cross multiply
    25,560x = 35,276.04 × 14,384.16
  4. Step 4: Simplify right side
    25,560x = 507,416,203.53
  5. Step 5: Solve for x
    x = 507,416,203.53/25,560
  6. Step 6: Final answer
    x = 19,851.96

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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.