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Finding the Fourth Proportional to 35,602.86, 53,436.57 and 18,976.86

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Solution

The fourth proportional to 35,602.86, 53,436.57 and 18,976.86 is: 28,482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602.86 : 53,436.57 = 18,976.86 : x
  2. Step 2: Convert to fraction form
    35,602.86/53,436.57 = 18,976.86/x
  3. Step 3: Cross multiply
    35,602.86x = 53,436.57 × 18,976.86
  4. Step 4: Simplify right side
    35,602.86x = 1,014,058,307.77
  5. Step 5: Solve for x
    x = 1,014,058,307.77/35,602.86
  6. Step 6: Final answer
    x = 28,482.50

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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.