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Finding the Fourth Proportional to 35,417.60, 53,159.20 and 17,899.68

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Solution

The fourth proportional to 35,417.60, 53,159.20 and 17,899.68 is: 26,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,417.60 : 53,159.20 = 17,899.68 : x
  2. Step 2: Convert to fraction form
    35,417.60/53,159.20 = 17,899.68/x
  3. Step 3: Cross multiply
    35,417.60x = 53,159.20 × 17,899.68
  4. Step 4: Simplify right side
    35,417.60x = 951,532,669.06
  5. Step 5: Solve for x
    x = 951,532,669.06/35,417.60
  6. Step 6: Final answer
    x = 26,866.10

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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.