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Finding the Fourth Proportional to 35,755.65, 53,585.71 and 18,854.19

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Solution

The fourth proportional to 35,755.65, 53,585.71 and 18,854.19 is: 28,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.65 : 53,585.71 = 18,854.19 : x
  2. Step 2: Convert to fraction form
    35,755.65/53,585.71 = 18,854.19/x
  3. Step 3: Cross multiply
    35,755.65x = 53,585.71 × 18,854.19
  4. Step 4: Simplify right side
    35,755.65x = 1,010,315,110.49
  5. Step 5: Solve for x
    x = 1,010,315,110.49/35,755.65
  6. Step 6: Final answer
    x = 28,256.10

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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.