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Finding the Fourth Proportional to 23,603.66, 32,565.71 and 13,393.00

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Solution

The fourth proportional to 23,603.66, 32,565.71 and 13,393.00 is: 18,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,603.66 : 32,565.71 = 13,393.00 : x
  2. Step 2: Convert to fraction form
    23,603.66/32,565.71 = 13,393.00/x
  3. Step 3: Cross multiply
    23,603.66x = 32,565.71 × 13,393.00
  4. Step 4: Simplify right side
    23,603.66x = 436,152,628.22
  5. Step 5: Solve for x
    x = 436,152,628.22/23,603.66
  6. Step 6: Final answer
    x = 18,478.18

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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.