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Finding the Fourth Proportional to 42,348.40, 63,547.80 and 16,055.80

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Solution

The fourth proportional to 42,348.40, 63,547.80 and 16,055.80 is: 24,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348.40 : 63,547.80 = 16,055.80 : x
  2. Step 2: Convert to fraction form
    42,348.40/63,547.80 = 16,055.80/x
  3. Step 3: Cross multiply
    42,348.40x = 63,547.80 × 16,055.80
  4. Step 4: Simplify right side
    42,348.40x = 1,020,310,767.24
  5. Step 5: Solve for x
    x = 1,020,310,767.24/42,348.40
  6. Step 6: Final answer
    x = 24,093.25

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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.