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Finding the Fourth Proportional to 6,607,510.60, 9,911,265.90 and 4,591,971.40

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Solution

The fourth proportional to 6,607,510.60, 9,911,265.90 and 4,591,971.40 is: 6,887,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607,510.60 : 9,911,265.90 = 4,591,971.40 : x
  2. Step 2: Convert to fraction form
    6,607,510.60/9,911,265.90 = 4,591,971.40/x
  3. Step 3: Cross multiply
    6,607,510.60x = 9,911,265.90 × 4,591,971.40
  4. Step 4: Simplify right side
    6,607,510.60x = 45,512,249,550,595.27
  5. Step 5: Solve for x
    x = 45,512,249,550,595.27/6,607,510.60
  6. Step 6: Final answer
    x = 6,887,957.10

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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.