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Finding the Fourth Proportional to 25,762.74, 35,552.53 and 14,585.78

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Solution

The fourth proportional to 25,762.74, 35,552.53 and 14,585.78 is: 20,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,762.74 : 35,552.53 = 14,585.78 : x
  2. Step 2: Convert to fraction form
    25,762.74/35,552.53 = 14,585.78/x
  3. Step 3: Cross multiply
    25,762.74x = 35,552.53 × 14,585.78
  4. Step 4: Simplify right side
    25,762.74x = 518,561,381.02
  5. Step 5: Solve for x
    x = 518,561,381.02/25,762.74
  6. Step 6: Final answer
    x = 20,128.35

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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.