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Finding the Fourth Proportional to 38,802.80, 58,155.50 and 16,590.07

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Solution

The fourth proportional to 38,802.80, 58,155.50 and 16,590.07 is: 24,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,802.80 : 58,155.50 = 16,590.07 : x
  2. Step 2: Convert to fraction form
    38,802.80/58,155.50 = 16,590.07/x
  3. Step 3: Cross multiply
    38,802.80x = 58,155.50 × 16,590.07
  4. Step 4: Simplify right side
    38,802.80x = 964,803,602.93
  5. Step 5: Solve for x
    x = 964,803,602.93/38,802.80
  6. Step 6: Final answer
    x = 24,864.28

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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.