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Finding the Fourth Proportional to 7,547.88, 10,413.84 and 4,403.52

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Solution

The fourth proportional to 7,547.88, 10,413.84 and 4,403.52 is: 6,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.88 : 10,413.84 = 4,403.52 : x
  2. Step 2: Convert to fraction form
    7,547.88/10,413.84 = 4,403.52/x
  3. Step 3: Cross multiply
    7,547.88x = 10,413.84 × 4,403.52
  4. Step 4: Simplify right side
    7,547.88x = 45,857,552.72
  5. Step 5: Solve for x
    x = 45,857,552.72/7,547.88
  6. Step 6: Final answer
    x = 6,075.55

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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.