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Finding the Fourth Proportional to 46,826.32, 70,239.54 and 19,124.32

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Solution

The fourth proportional to 46,826.32, 70,239.54 and 19,124.32 is: 28,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,826.32 : 70,239.54 = 19,124.32 : x
  2. Step 2: Convert to fraction form
    46,826.32/70,239.54 = 19,124.32/x
  3. Step 3: Cross multiply
    46,826.32x = 70,239.54 × 19,124.32
  4. Step 4: Simplify right side
    46,826.32x = 1,343,282,992.79
  5. Step 5: Solve for x
    x = 1,343,282,992.79/46,826.32
  6. Step 6: Final answer
    x = 28,686.50

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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.