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Finding the Fourth Proportional to 25,673.93, 35,430.29 and 15,063.74

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Solution

The fourth proportional to 25,673.93, 35,430.29 and 15,063.74 is: 20,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.93 : 35,430.29 = 15,063.74 : x
  2. Step 2: Convert to fraction form
    25,673.93/35,430.29 = 15,063.74/x
  3. Step 3: Cross multiply
    25,673.93x = 35,430.29 × 15,063.74
  4. Step 4: Simplify right side
    25,673.93x = 533,712,424.21
  5. Step 5: Solve for x
    x = 533,712,424.21/25,673.93
  6. Step 6: Final answer
    x = 20,788.11

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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.