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Finding the Fourth Proportional to 7,291,570.90, 10,937,356.35 and 7,291,570.90

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Solution

The fourth proportional to 7,291,570.90, 10,937,356.35 and 7,291,570.90 is: 10,937,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291,570.90 : 10,937,356.35 = 7,291,570.90 : x
  2. Step 2: Convert to fraction form
    7,291,570.90/10,937,356.35 = 7,291,570.90/x
  3. Step 3: Cross multiply
    7,291,570.90x = 10,937,356.35 × 7,291,570.90
  4. Step 4: Simplify right side
    7,291,570.90x = 79,750,509,284,590.22
  5. Step 5: Solve for x
    x = 79,750,509,284,590.22/7,291,570.90
  6. Step 6: Final answer
    x = 10,937,356.35

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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.