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Finding the Fourth Proportional to 35,657.84, 53,461.56 and 15,657.68

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Solution

The fourth proportional to 35,657.84, 53,461.56 and 15,657.68 is: 23,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,657.84 : 53,461.56 = 15,657.68 : x
  2. Step 2: Convert to fraction form
    35,657.84/53,461.56 = 15,657.68/x
  3. Step 3: Cross multiply
    35,657.84x = 53,461.56 × 15,657.68
  4. Step 4: Simplify right side
    35,657.84x = 837,083,998.78
  5. Step 5: Solve for x
    x = 837,083,998.78/35,657.84
  6. Step 6: Final answer
    x = 23,475.45

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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.